chore(deps): bump Staffbase/gitops-github-action from 6.3.3 to 6.4

Bumps [Staffbase/gitops-github-action](https://github.com/staffbase/gitops-github-action) from 6.3.3 to 6.4.
- [Release notes](https://github.com/staffbase/gitops-github-action/releases)
- [Commits](Staffbase/gitops-github-action@v6.3.3...v6.4)

---
updated-dependencies:
- dependency-name: Staffbase/gitops-github-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/template_gitops.yml

@@ -113,7 +113,7 @@ jobs:
 
       - name: GitOps (build, push and deploy a new Docker image)
         id: gitops
-        uses: Staffbase/gitops-github-action@v6.3.3
+        uses: Staffbase/gitops-github-action@v6.4
         with:
           docker-registry: ${{ inputs.docker-registry }}
           docker-username: ${{ secrets.docker-username }}