fix chart-testing action

Signed-off-by: Tao Li <joseph.t.lee@outlook.com>

.github/workflows/lint-and-test.yml

@@ -21,31 +21,24 @@ jobs:
 
       - name: Setup Chart Linting
         id: lint
-        uses: helm/chart-testing-action@v2.1.0
+        uses: helm/chart-testing-action@v2.2.1
 
-      - name: List changed charts
+      - name: Run chart-testing (list-changed)
         id: list-changed
         run: |
-          ## If executed with debug this won't work anymore.
-          changed=$(ct --config ./.github/configs/ct-lint.yaml list-changed)
-          charts=$(echo "$changed" | tr '\n' ' ' | xargs)
+          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
           if [[ -n "$changed" ]]; then
             echo "::set-output name=changed::true"
-            echo "::set-output name=changed_charts::$charts"
           fi
       - name: Run chart-testing (lint)
-        run: ct lint --debug --config ./.github/configs/ct-lint.yaml --lint-conf ./.github/configs/lintconf.yaml
+        run: ct lint --debug --target-branch ${{ github.event.repository.default_branch }} --config ./.github/configs/ct-lint.yaml --lint-conf ./.github/configs/lintconf.yaml
 
       - name: Create kind cluster
         uses: helm/kind-action@v1.2.0
         if: steps.list-changed.outputs.changed == 'true'
         with:
           config: .github/configs/kind-config.yaml
-      - name: Skip HPA tests of ArgoCD
-        if: contains(steps.list-changed.outputs.changed_charts, 'koordinator')
-        run: |
-          ## Metrics API not available in kind cluster
-          rm charts/argo-cd/ci/ha-autoscaling-values.yaml
+
       - name: Run chart-testing (install)
-        run: ct install --config ./.github/configs/ct-install.yaml
+        run: ct install --target-branch ${{ github.event.repository.default_branch }} --config ./.github/configs/ct-install.yaml
         if: steps.list-changed.outputs.changed == 'true'