chore(deps): bump the minor group with 2 updates

Bumps the minor group with 2 updates: [docker/build-push-action](https://github.com/docker/build-push-action) and [helm/chart-testing-action](https://github.com/helm/chart-testing-action).


Updates `docker/build-push-action` from 6.12.0 to 6.13.0
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v6.12.0...v6.13.0)

Updates `helm/chart-testing-action` from 2.6.1 to 2.7.0
- [Release notes](https://github.com/helm/chart-testing-action/releases)
- [Commits](helm/chart-testing-action@v2.6.1...v2.7.0)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor
- dependency-name: helm/chart-testing-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor
...

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

Author: dependabot[bot]

.github/workflows/_bundler_container.yaml

@@ -43,7 +43,7 @@ jobs:
         uses: docker/setup-buildx-action@v3.8.0
 
       - name: Build & Publish Image
-        uses: docker/build-push-action@v6.12.0
+        uses: docker/build-push-action@v6.13.0
         with:
           context: bundler/
           push: ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags') }}

.github/workflows/_helm_chart_lint.yaml

@@ -16,7 +16,7 @@ jobs:
         uses: azure/setup-helm@v4
 
       - name: Setup chart-testing
-        uses: helm/chart-testing-action@v2.6.1
+        uses: helm/chart-testing-action@v2.7.0
 
       - name: Lint
         run: >