Add tests and prepare for the default branch rename (master to main)

.github/workflows/lint-test.yml

@@ -0,0 +1,46 @@
+# From: https://github.com/marketplace/actions/helm-chart-testing
+name: Lint and Test Charts
+
+on: pull_request
+
+jobs:
+  lint-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v3
+        with:
+          version: v3.12.1
+
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+          check-latest: true
+
+      - name: Set up chart-testing
+        uses: helm/chart-testing-action@v2.4.0
+
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
+          if [[ -n "$changed" ]]; then
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Run chart-testing (lint)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: ct lint --target-branch ${{ github.event.repository.default_branch }}
+
+      - name: Create kind cluster
+        if: steps.list-changed.outputs.changed == 'true'
+        uses: helm/kind-action@v1.7.0
+
+      - name: Run chart-testing (install)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: ct install --target-branch ${{ github.event.repository.default_branch }}

.github/workflows/release.yml

@@ -1,14 +1,13 @@
+# From: https://github.com/marketplace/actions/helm-chart-releaser
 name: Release Charts
 
 on:
   push:
     branches:
-      - master
+      - main
 
 jobs:
   release:
-    # 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
     permissions:
       contents: write
     runs-on: ubuntu-latest