chore(deps): update https://gitea.t000-n.de/t.behrendt/actions action to v0.2.1 (#16)

This PR contains the following updates:

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

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### Release Notes

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

### [`v0.2.1`](https://gitea.t000-n.de/t.behrendt/actions/compare/0.2.0...0.2.1)

[Compare Source](https://gitea.t000-n.de/t.behrendt/actions/compare/0.2.0...0.2.1)

### [`v0.2.0`](https://gitea.t000-n.de/t.behrendt/actions/compare/0.1.7...0.2.0)

[Compare Source](https://gitea.t000-n.de/t.behrendt/actions/compare/0.1.7...0.2.0)

### [`v0.1.7`](https://gitea.t000-n.de/t.behrendt/actions/compare/0.1.6...0.1.7)

[Compare Source](https://gitea.t000-n.de/t.behrendt/actions/compare/0.1.6...0.1.7)

### [`v0.1.6`](https://gitea.t000-n.de/t.behrendt/actions/compare/0.1.5...0.1.6)

[Compare Source](https://gitea.t000-n.de/t.behrendt/actions/compare/0.1.5...0.1.6)

</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: #16
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

@@ -23,6 +23,6 @@ jobs:
           token: ${{ secrets.GITEA_TOKEN }}
           prerelease: ${{ github.event_name == 'workflow_dispatch' }}
       - name: Push tag
-        uses: https://gitea.t000-n.de/t.behrendt/actions/release-git-tag@c988c26746e621504d69739382e4a19f4ace5120 # 0.1.6
+        uses: https://gitea.t000-n.de/t.behrendt/actions/release-git-tag@3925c92fc33f3d2bc87d28d21ab691b7e6dd6cdf # 0.2.1
         with:
           tag: ${{ steps.tag.outputs.new-tag }}