Use helm 3.4.0 for release pipeline (#127)

Signed-off-by: Torsten Walter <[email protected]>

.github/workflows/release.yaml

@@ -11,21 +11,18 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-
-      - name: Fetch history
-        run: git fetch --prune --unshallow
+        with:
+          fetch-depth: 0
 
       - name: Configure Git
         run: |
           git config user.name "$GITHUB_ACTOR"
           git config user.email "[email protected]"
 
-      # See https://github.com/helm/chart-releaser-action/issues/6
       - name: Install Helm
-        run: |
-          curl -fsSLo get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
-          chmod 700 get_helm.sh
-          ./get_helm.sh
+        uses: azure/setup-helm@v1
+        with:
+          version: v3.4.0
 
       - name: Run chart-releaser
         uses: helm/[email protected]