feat: add a test for pre-chart release

.github/workflows/test-chart-releaser.yaml

@@ -0,0 +1,31 @@
+name: Test Pre-Release Charts
+
+on: # yamllint disable-line rule:truthy
+  push:
+
+jobs:
+  test-workflow:
+    # depending on default permission settings for your org (contents being read-only or read-write for workloads), you will have to add permissions
+    # see: https://docs.github.com/en/actions/security-guides/automatic-token-authentication#modifying-the-permissions-for-the-github_token
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "[email protected]"
+
+      - name: Install Helm
+        uses: azure/setup-helm@v3
+
+      - name: Add missing repositories
+        # https://github.com/helm/helm/issues/9903#issue-935152749
+        # https://github.com/helm/helm/issues/8036#issuecomment-1126959239
+        run: |
+          if [ -f "./Chart.lock" ]; then
+            yq --indent 0 '.dependencies | map(["helm", "repo", "add", .name, .repository] | join(" ")) | .[]' "./Chart.lock"  | sh --
+          fi