Update azure/setup-helm action to v4 (#215)

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

Author: renovate[bot]

.github/workflows/lint-chart.yaml

@@ -20,7 +20,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Helm
-        uses: azure/setup-helm@v3
+        uses: azure/setup-helm@v4
         with:
           version: ${{ env.HELM_VERSION }}
 

.github/workflows/publish-chart.yaml

@@ -22,7 +22,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Helm
-        uses: azure/setup-helm@v3
+        uses: azure/setup-helm@v4
         with:
           version: ${{ env.HELM_VERSION }}