Update azure/setup-helm action to v5 (#306)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/integrationtest.yaml

@@ -13,7 +13,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Helm
-        uses: azure/setup-helm@v4
+        uses: azure/setup-helm@v5
         with:
           version: v3.11.2
 

.github/workflows/pullrequest.yaml

@@ -15,7 +15,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Helm
-        uses: azure/setup-helm@v4
+        uses: azure/setup-helm@v5
         with:
           version: v3.11.2
 

.github/workflows/release.yaml

@@ -45,7 +45,7 @@ jobs:
           fi
 
       - name: Install Helm
-        uses: azure/setup-helm@v4
+        uses: azure/setup-helm@v5
         with:
           version: v3.8.1