build(deps): Bump docker/build-push-action from 5 to 6

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

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

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

.github/workflows/containers.yml

@@ -219,7 +219,7 @@ jobs:
             latest,enable=${{ needs.generate_matrix.outputs.version == 'SNAPSHOT' && matrix.target == 'x86/64'}}
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
@@ -331,7 +331,7 @@ jobs:
           tags: latest
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           push: ${{ github.event_name != 'pull_request' }}
           tags: |
@@ -427,7 +427,7 @@ jobs:
 
       - name: Build
         id: build
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           push: false
           tags: ${{ steps.meta.outputs.tags }}
@@ -441,7 +441,7 @@ jobs:
 
       - name: Push
         if: github.event_name != 'pull_request'
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           push: true
           tags: ${{ steps.meta.outputs.tags }}