fix: clear cache when updating episode description
When udpating an episode description, the page is not updated whereas it should be. And cache TTL should be 24h instead of DECADE so that in case of problems cache is renewed at least once a day.
When udpating an episode description, the page is not updated whereas it should be. And cache TTL should be 24h instead of DECADE so that in case of problems cache is renewed at least once a day.