yamllint
So that https://github.com/go-gitea/gitea/pull/26964 does not happen again. Merge this after that PR. Config is based on [node's](https://github.com/nodejs/node/blob/main/.yamllint.yaml). --------- Co-authored-by: techknowlogick <techknowlogick@gitea.com>
Yaml [does not like](https://github.com/go-gitea/gitea/actions/runs/6115139962/job/16598147278?pr=26568) keys that start with `*` so let's quote all globs.
actions/labeler
Implements https://github.com/GiteaBot/gitea-backporter/issues/93 using [`actions/labeler`](https://github.com/actions/labeler). Very basic configuration, can be extended later.