Merge pull request #268132 from bendlas/forgejo-release-notes

nixos/forgejo/docs: fix typo

nixos/modules/services/misc/forgejo.md

···
   database.user = "gitea";
 };
 
-users.users,gitea = {
+users.users.gitea = {
   home = "/var/lib/gitea";
   useDefaultShell = true;
   group = "gitea";