Bump azure/k8s-deploy from 5 to 6 in the ci-dependencies group (#3493)

Bumps the ci-dependencies group with 1 update: [azure/k8s-deploy](https://github.com/azure/k8s-deploy).


Updates `azure/k8s-deploy` from 5 to 6
- [Release notes](https://github.com/azure/k8s-deploy/releases)
- [Changelog](https://github.com/Azure/k8s-deploy/blob/main/CHANGELOG.md)
- [Commits](Azure/k8s-deploy@v5...v6)

---
updated-dependencies:
- dependency-name: azure/k8s-deploy
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: ci-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build-deploy.yml

@@ -75,7 +75,7 @@ jobs:
           kubeconfig: ${{ secrets.KUBECONFIG }}
 
       - name: Deploy to Kubernetes
-        uses: azure/k8s-deploy@v5
+        uses: azure/k8s-deploy@v6
         with:
           namespace: bots
           manifests: |