message: fix lint errors in Synapse trigger.json
diff: "type": "array",
  "items": {
  "type": "object"
  - }
  + },
  + "x-ms-identifiers": []
  }
  },
  "additionalProperties": {
  "items": {
  "$ref": "../artifacts.json#/definitions/TriggerPipelineReference"
  },
  - "description": "Pipelines that need to be started."
  + "description": "Pipelines that need to be started.",
  + "x-ms-identifiers": [
  + "/pipelineReference/referenceName"
  + ]
  }
  }
  },
  "items": {
  "$ref": "#/definitions/RecurrenceScheduleOccurrence"
  },
  - "description": "The monthly occurrences."
  + "description": "The monthly occurrences.",
  + "x-ms-identifiers": []
  }
  },
  "additionalProperties": {
  },
  "BlobEventsTrigger": {
  "description": "Trigger that runs every time a Blob event occurs.",
  + "type": "object",
  "allOf": [
  {
  "$ref": "#/definitions/MultiplePipelineTrigger"
  },
  "CustomEventsTrigger": {
  "description": "Trigger that runs every time a custom event is received.",
  + "type": "object",
  "allOf": [
  {
  "$ref": "#/definitions/MultiplePipelineTrigger"
  "type": "array",
  "items": {
  "type": "object"
  - }
  + },
  + "x-ms-identifiers": []
  },
  "scope": {
  "description": "The ARM resource ID of the Azure Event Grid Topic.",
  },
  "TumblingWindowTrigger": {
  "description": "Trigger that schedules pipeline runs for all fixed time interval windows from a start time without gaps and also supports backfill scenarios (when start time is in the past).",
  + "type": "object",
  "allOf": [
  {
  "$ref": "#/definitions/Trigger"
  