chore(deps): update docker/login-action action to v4 (#95)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [docker/login-action](https://github.com/docker/login-action) | action | major | `v3.7.0` → `v4.0.0` |

---

### Release Notes

<details>
<summary>docker/login-action (docker/login-action)</summary>

### [`v4.0.0`](https://github.com/docker/login-action/releases/tag/v4.0.0)

[Compare Source](https://github.com/docker/login-action/compare/v3.7.0...v4.0.0)

- Node 24 as default runtime (requires [Actions Runner v2.327.1](https://github.com/actions/runner/releases/tag/v2.327.1) or later) by [@&#8203;crazy-max](https://github.com/crazy-max) in [#&#8203;929](https://github.com/docker/login-action/pull/929)
- Switch to ESM and update config/test wiring by [@&#8203;crazy-max](https://github.com/crazy-max) in [#&#8203;927](https://github.com/docker/login-action/pull/927)
- Bump [@&#8203;actions/core](https://github.com/actions/core) from 1.11.1 to 3.0.0 in [#&#8203;919](https://github.com/docker/login-action/pull/919)
- Bump [@&#8203;aws-sdk/client-ecr](https://github.com/aws-sdk/client-ecr) from 3.890.0 to 3.1000.0 in [#&#8203;909](https://github.com/docker/login-action/pull/909) [#&#8203;920](https://github.com/docker/login-action/pull/920)
- Bump [@&#8203;aws-sdk/client-ecr-public](https://github.com/aws-sdk/client-ecr-public) from 3.890.0 to 3.1000.0 in [#&#8203;909](https://github.com/docker/login-action/pull/909) [#&#8203;920](https://github.com/docker/login-action/pull/920)
- Bump [@&#8203;docker/actions-toolkit](https://github.com/docker/actions-toolkit) from 0.63.0 to 0.77.0 in [#&#8203;910](https://github.com/docker/login-action/pull/910) [#&#8203;928](https://github.com/docker/login-action/pull/928)
- Bump [@&#8203;isaacs/brace-expansion](https://github.com/isaacs/brace-expansion) from 5.0.0 to 5.0.1 in [#&#8203;921](https://github.com/docker/login-action/pull/921)
- Bump js-yaml from 4.1.0 to 4.1.1 in [#&#8203;901](https://github.com/docker/login-action/pull/901)

**Full Changelog**: <https://github.com/docker/login-action/compare/v3.7.0...v4.0.0>

</details>

---

### Configuration

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---

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---

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Reviewed-on: #95
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

@@ -68,7 +68,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
       - name: Login to Registry
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
         with:
           registry: ${{ env.DOCKER_REGISTRY }}
           username: ${{ secrets.REGISTRY_USER }}
@@ -128,7 +128,7 @@ jobs:
           echo REPO_VERSION=$(git describe --tags --always | sed 's/^v//') >> $GITHUB_OUTPUT
 
       - name: Login to Registry
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
         with:
           registry: ${{ env.DOCKER_REGISTRY }}
           username: ${{ secrets.REGISTRY_USER }}