chore(deps): update golang docker tag to v1.22 (#326)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| golang | minor | `1.21` -> `1.22` |

---

### Configuration

📅 **Schedule**: Branch creation - "every weekend" (UTC), Automerge - "before 4am" (UTC).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4zMzMuMSIsInVwZGF0ZWRJblZlciI6IjM3LjMzMy4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJkZXBlbmRlbmNpZXMiXX0=-->

Co-authored-by: woodpecker-bot <woodpecker-bot@obermui.de>
Reviewed-on: https://codeberg.org/Codeberg/pages-server/pulls/326
Reviewed-by: crapStone <codeberg@crapstone.dev>
Co-authored-by: Dependency bot <renovate-bot@noreply.codeberg.org>
Co-committed-by: Dependency bot <renovate-bot@noreply.codeberg.org>

.woodpecker/build.yml

@@ -11,7 +11,7 @@ depends_on:
 steps:
   # use vendor to cache dependencies
   vendor:
-    image: golang:1.21
+    image: golang:1.22
     commands:
       - go mod vendor