Merge pull request 'v1.21.11-0 release notes' (#3287) from crystal/forgejo:pr/releasenotes-1.21.11-0 into forgejo
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/3287
Reviewed-by: oliverpool <oliverpool@noreply.codeberg.org>
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>