Bump the all group across 1 directory with 3 updates

Bumps the all group with 3 updates in the / directory: [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action), [docker/login-action](https://github.com/docker/login-action) and [docker/build-push-action](https://github.com/docker/build-push-action).


Updates `docker/setup-buildx-action` from 2 to 3
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v2...v3)

Updates `docker/login-action` from 2 to 3
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](docker/login-action@v2...v3)

Updates `docker/build-push-action` from 5 to 6
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5...v6)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all
- dependency-name: docker/login-action
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -112,17 +112,17 @@ jobs:
             type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/') }}
 
       - name: set up docker buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: log in to github container registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.github_token }}
 
       - name: build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: true