add stdout output for chart testing to confirm pod health

Author: kgrubb

.github/workflows/helm_checks.yml

@@ -40,4 +40,4 @@ jobs:
         uses: helm/kind-action@v1.12.0
       - name: Run chart-testing (install)
         if: steps.list-changed.outputs.changed == 'true'
-        run: ct install --target-branch ${{ github.event.repository.default_branch }}
+        run: ct install --target-branch ${{ github.event.repository.default_branch }} --set "EF_OUTPUT_STDOUT_ENABLE=true"