It looks like url validations are added in f7564d87b0, but I found another validation commit not applied in Calckey, so I cherry-picked 0da0cc80b9 from [Misskey](https://github.com/misskey-dev/misskey).
Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>
Co-authored-by: naskya <m@naskya.net>
Reviewed-on: https://codeberg.org/calckey/calckey/pulls/9882
Co-authored-by: naskya <naskya@noreply.codeberg.org>
Co-committed-by: naskya <naskya@noreply.codeberg.org>
36b88c7286