Bump docker/build-push-action from 6.8.0 to 6.9.0 (#395)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.8.0 to 6.9.0. - [Release notes](https://github.com/docker/build-push-action/releases) - [Commits](docker/build-push-action@32945a3...4f58ea7) --- updated-dependencies: - dependency-name: docker/build-push-action dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -97,7 +97,7 @@ jobs:
  description="The NGINX Ingress Operator is a Kubernetes/OpenShift component which deploys and manages one or more NGINX/NGINX Plus Ingress Controllers"
 
  - name: Build Image
- uses: docker/build-push-action@32945a339266b759abcbdc89316275140b0fc960 # v6.8.0
+ uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75 # v6.9.0
  with:
  context: "."
  cache-from: type=gha