chore(deps): bump the github-actions group with 3 updates (#20)

Updates the requirements on [actions/checkout](https://github.com/actions/checkout), [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) and [docker/build-push-action](https://github.com/docker/build-push-action) to permit the latest version.

Updates `actions/checkout` from 4 to 6
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v4...v6)

Updates `docker/setup-buildx-action` from 3 to 4
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](https://github.com/docker/setup-buildx-action/compare/v3...v4)

Updates `docker/build-push-action` to b66d8774c665b789105b440514f0c97e6f19b06f
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/commits/b66d8774c665b789105b440514f0c97e6f19b06f)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: docker/setup-buildx-action
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: docker/build-push-action
  dependency-version: b66d8774c665b789105b440514f0c97e6f19b06f
  dependency-type: direct:production
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -61,16 +61,16 @@ jobs:
       contents: read
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Prepare licensed assets
         run: node ./scripts/prepare-licensed-assets.cjs
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Build container image without publishing
-        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        uses: docker/build-push-action@b66d8774c665b789105b440514f0c97e6f19b06f
         with:
           context: .
           push: false