Turn on generate_release_notes (#125)

Author: petewall

.github/workflows/helm-release.yml

@@ -131,6 +131,7 @@ jobs:
         repository: grafana/k8s-monitoring-helm
         tag_name: ${{ steps.parse-chart.outputs.tagname }}
         token: ${{ secrets.GH_BOT_ACCESS_TOKEN }}
+        generate_release_notes: true
         files: |
           ${{ env.CR_PACKAGE_PATH }}/${{ steps.parse-chart.outputs.packagename }}.tgz