Renovate: Update azure/setup-helm action to v5

Author: renovate[bot]

.github/workflows/helm-oci-package-ghcr.yaml

@@ -28,7 +28,7 @@ jobs:
           fetch-depth: 0
           fetch-tags: true
       - name: Install Helm
-        uses: azure/setup-helm@v4
+        uses: azure/setup-helm@v5
       - name: Lint Helm Chart
         run: helm lint charts/openstack-hypervisor-operator
       - name: Package Helm Chart