chore(deps): update commitlint/commitlint docker tag to v20 (#70)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [commitlint/commitlint](https://github.com/conventional-changelog/commitlint) | container | major | `19.9.1` -> `20.1.0` |

---

### Release Notes

<details>
<summary>conventional-changelog/commitlint (commitlint/commitlint)</summary>

### [`v20.1.0`](https://github.com/conventional-changelog/commitlint/blob/HEAD/CHANGELOG.md#2010-2025-09-30)

[Compare Source](https://github.com/conventional-changelog/commitlint/compare/v20.0.0...v20.1.0)

##### Bug Fixes

- **resolve-extends:** add import attribute for JSON config files ([#&#8203;4551](https://github.com/conventional-changelog/commitlint/issues/4551)) ([82936c9](82936c90a2))

##### Features

- **config-pnpm-scopes:** allow global scope ([#&#8203;4553](https://github.com/conventional-changelog/commitlint/issues/4553)) ([e571970](e571970614))

### [`v20.0.0`](https://github.com/conventional-changelog/commitlint/blob/HEAD/CHANGELOG.md#2000-2025-09-25)

[Compare Source](https://github.com/conventional-changelog/commitlint/compare/v19.9.1...v20.0.0)

##### Bug Fixes

- update dependency tar-fs to v3.1.1 \[security] ([#&#8203;4550](https://github.com/conventional-changelog/commitlint/issues/4550)) ([273a43e](273a43e359))

- feat(rules)!: make body-max-line-length ignore lines with URLs ([#&#8203;4486](https://github.com/conventional-changelog/commitlint/issues/4486)) ([2f37a88](2f37a886be)), closes [#&#8203;4486](https://github.com/conventional-changelog/commitlint/issues/4486)

##### BREAKING CHANGES

- when lines contain URLs exceeding the maximum
  line length `body-max-line-length` will be ignored

#### [19.9.1](https://github.com/conventional-changelog/commitlint/compare/v19.9.0...v19.9.1) (2025-08-29)

##### Bug Fixes

- add TypeScript support and configuration for pnpm scopes ([#&#8203;4544](https://github.com/conventional-changelog/commitlint/issues/4544)) ([ea75778](ea75778e8d))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - Only on Sunday and Saturday ( * * * * 0,6 ) (UTC), Automerge - Between 12:00 AM and 03:59 AM ( * 0-3 * * * ) (UTC).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **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).
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Reviewed-on: https://gitea.com/gitea/helm-actions/pulls/70
Reviewed-by: DaanSelen <daanselen@noreply.gitea.com>
Co-authored-by: Renovate Bot <renovate-bot@gitea.com>
Co-committed-by: Renovate Bot <renovate-bot@gitea.com>

.gitea/workflows/commitlint.yml

@@ -11,7 +11,7 @@ on:
 jobs:
   check-and-test:
     runs-on: ubuntu-latest
-    container: commitlint/commitlint:19.9.1
+    container: commitlint/commitlint:20.1.0
     steps:
       - uses: actions/checkout@v5
       - name: check PR title