message: update ACR webhook with Helm actions
diff: "enum": [
  "push",
  "delete",
  - "quarantine"
  + "quarantine",
  + "chart_push",
  + "chart_delete"
  ],
  "type": "string",
  "x-ms-enum": {
  "enum": [
  "push",
  "delete",
  - "quarantine"
  + "quarantine",
  + "chart_push",
  + "chart_delete"
  ],
  "type": "string",
  "x-ms-enum": {
  "enum": [
  "push",
  "delete",
  - "quarantine"
  + "quarantine",
  + "chart_push",
  + "chart_delete"
  ],
  "type": "string",
  "x-ms-enum": {
  