Post v1projects plans:search

{
  "plans": [
    {
      "name": "<string>",
      "issue": "<string>",
      "rollout": "<string>",
      "title": "<string>",
      "description": "<string>",
      "specs": [
        {
          "id": "<string>",
          "createDatabaseConfig": {
            "target": "<string>",
            "database": "<string>",
            "table": "<string>",
            "characterSet": "<string>",
            "collation": "<string>",
            "cluster": "<string>",
            "owner": "<string>",
            "environment": "<string>"
          },
          "changeDatabaseConfig": {
            "targets": [
              "<string>"
            ],
            "sheet": "<string>",
            "release": "<string>",
            "type": "TYPE_UNSPECIFIED",
            "ghostFlags": {},
            "enablePriorBackup": true
          },
          "exportDataConfig": {
            "targets": [
              "<string>"
            ],
            "sheet": "<string>",
            "format": "FORMAT_UNSPECIFIED",
            "password": "<string>"
          }
        }
      ],
      "creator": "<string>",
      "createTime": "2023-11-07T05:31:56Z",
      "updateTime": "2023-11-07T05:31:56Z",
      "planCheckRunStatusCount": {},
      "deployment": {
        "environments": [
          "<string>"
        ],
        "databaseGroupMappings": [
          {
            "databaseGroup": "<string>",
            "databases": [
              "<string>"
            ]
          }
        ]
      }
    }
  ],
  "nextPageToken": "<string>"
}