fix: incorrect air date on movies, severance returning 500 from 0 episodes in new season

src/Tmdb/Framework/Serializer/TmdbTvShowResultDenormalizer.php

@@ -48,7 +48,7 @@ class TmdbTvShowResultDenormalizer extends TmdbResultDenormalizer implements Den
         array $context = []
     ): bool {
         return array_key_exists('media_type', $context) &&
-            $context['media_type'] === "tvshows";
+            $context['media_type'] === MediaType::TvShow->value;
     }
 
     public function getSupportedTypes(?string $format): array