Debug Errors for deprecated PHP functions

I am seeing the below errors when i have my site in debug mode.

[03-Apr-2025 12:45:31 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Podcasts_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-podcasts-attribute.php on line 28
[03-Apr-2025 12:45:31 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Tags_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-tags-attribute.php on line 28
[03-Apr-2025 12:45:35 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Podcasts_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-podcasts-attribute.php on line 28
[03-Apr-2025 12:45:35 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Tags_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-tags-attribute.php on line 28
[03-Apr-2025 12:45:35 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Podcasts_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-podcasts-attribute.php on line 28
[03-Apr-2025 12:45:35 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Tags_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-tags-attribute.php on line 28
[03-Apr-2025 12:45:35 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Podcasts_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-podcasts-attribute.php on line 28
[03-Apr-2025 12:45:35 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Tags_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-tags-attribute.php on line 28
[03-Apr-2025 12:45:44 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Podcasts_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-podcasts-attribute.php on line 28
[03-Apr-2025 12:45:44 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Tags_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-tags-attribute.php on line 28
[03-Apr-2025 12:45:46 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Podcasts_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-podcasts-attribute.php on line 28
[03-Apr-2025 12:45:46 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Tags_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-tags-attribute.php on line 28
[03-Apr-2025 12:45:47 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Podcasts_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-podcasts-attribute.php on line 28
[03-Apr-2025 12:45:47 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Tags_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-tags-attribute.php on line 28
[03-Apr-2025 12:45:47 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Podcasts_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-podcasts-attribute.php on line 28
[03-Apr-2025 12:45:47 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Tags_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-tags-attribute.php on line 28
[03-Apr-2025 12:46:30 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Podcasts_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-podcasts-attribute.php on line 28
[03-Apr-2025 12:46:30 UTC] PHP Deprecated:  Return type of SeriouslySimplePodcasting\Entities\Available_Tags_Attribute::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/customer/<sitename>/public_html/wp-content/plugins/seriously-simple-podcasting/php/classes/entities/class-available-tags-attribute.php on line 28

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