Bump mdgreenwald/mozilla-sops-action in /.github/actions/setup-deploy

Bumps [mdgreenwald/mozilla-sops-action](https://github.com/mdgreenwald/mozilla-sops-action) from 1.5.0 to 1.6.0.
- [Release notes](https://github.com/mdgreenwald/mozilla-sops-action/releases)
- [Commits](mdgreenwald/mozilla-sops-action@v1.5.0...v1.6.0)

---
updated-dependencies:
- dependency-name: mdgreenwald/mozilla-sops-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/actions/setup-deploy/action.yaml

@@ -109,7 +109,7 @@ runs:
 
     # This action use the github official cache mechanism internally
     - name: Install sops
-      uses: mdgreenwald/mozilla-sops-action@v1.5.0
+      uses: mdgreenwald/mozilla-sops-action@v1.6.0
 
     # Install pre-requisite for "gcloud container clusters get-credentials"
     # command with a modern k8s client.