Update dependencies

[floscher]

This should now be up-to-date for most dependencies:

• Diagram rendering is currently broken, needs fixing
• I replaced nodemon with tsx, due to issues with nodemon+ts-node
• I left ESLint on v8, because v9 had dependency version conflicts

[floscher]

This PR contains multiple parts:

• d6a3bd7...0ae80c7 updated dependencies: https://github.com/fumiX/fuBlog/pull/93/files/0ae80c7223025fe5fe35caaa17bdd32cdf150cdd
• 0ae80c7...53dec45 website embedding (already reviewed in #96)
• 0ae80c7...47ed2ca hidden drafts (already reviewed in #95)