Update Azure/setup-helm action to v5

Author: renovate[bot]

.github/workflows/_helm.yml

@@ -13,7 +13,7 @@ jobs:
           fetch-depth: 0
 
       - name: Install Helm
-        uses: Azure/setup-helm@v4.3.1
+        uses: Azure/setup-helm@v5.0.0
         id: install
 
       - name: Helm login to GHCR