ability to replace video resource for a lesson

@creeland said: > @joel Is there a way to re-upload videos in course-builder? I noticed a lesson had a duplicate video in Pro NextJS > > • [Data Caching and Revalidation with React Server Components](https://www.pronextjs.dev/workshops/pro-next-js-workshop-hl06z/data-caching-and-revalidation-with-react-server-components-pkgrz/edit) > • [Next.js API Route Caching](https://www.pronextjs.dev/workshops/pro-next-js-workshop-hl06z/next-js-api-route-caching-adpb7/edit)