chore(deps): update https://gitea.t000-n.de/t.behrendt/actions action to v0.2.1

This PR contains the following updates:

| Package | Type | Update | Change | Pending |
|---|---|---|---|---|
| [https://gitea.t000-n.de/t.behrendt/actions](https://gitea.t000-n.de/t.behrendt/actions) | action | patch | `0.1.4` → `0.1.5` | `0.2.1` (+3) |

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### Release Notes

<details>
<summary>t.behrendt/actions (https://gitea.t000-n.de/t.behrendt/actions)</summary>

### [`v0.1.5`](https://gitea.t000-n.de/t.behrendt/actions/compare/0.1.4...0.1.5)

[Compare Source](https://gitea.t000-n.de/t.behrendt/actions/compare/0.1.4...0.1.5)

</details>

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### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **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.

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

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: #44
Reviewed-by: t.behrendt <t.behrendt@noreply.localhost>
Co-authored-by: Renovate Bot <renovate@t00n.de>
Co-committed-by: Renovate Bot <renovate@t00n.de>

.gitea/workflows/cd.yaml

@@ -20,6 +20,6 @@ jobs:
         with:
           token: ${{ secrets.GITEA_TOKEN }}
           prerelease: ${{ github.event_name == 'workflow_dispatch' }}
-      - uses: https://gitea.t000-n.de/t.behrendt/actions/release-git-tag@8973a9f9ff51c16b937364e0047e7ad07e937d3f # 0.1.4
+      - uses: https://gitea.t000-n.de/t.behrendt/actions/release-git-tag@3925c92fc33f3d2bc87d28d21ab691b7e6dd6cdf # 0.2.1
         with:
           tag: ${{ steps.tag.outputs.new-tag }}