update the config of a workflow

Example request

{
  "workflowConfig": {
    "disableSystemSearchAttribute": true,
    "continueAsNewThreshold": 1,
    "optimizeTimer": true,
    "continueAsNewPageSizeInBytes": 4,
    "executingStateIdMode": null,
    "optimizeActivity": true
  },
  "workflowRunId": "workflowRunId",
  "workflowId": "workflowId"
}