Bump docker/build-push-action from 4.1.1 to 6.18.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 4.1.1 to 6.18.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v4.1.1...v6.18.0)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-version: 6.18.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -427,7 +427,7 @@ jobs:
             type=raw,value=latest,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@v4.1.1
+        uses: docker/build-push-action@v6.18.0
         if: ${{ (matrix.os == 'ubuntu-latest') }}
         with:
           context: .