prefect-gcp

bigquery_insert_stream

Timestamp

TypeError: Object of type Timestamp is not JSON serializable

```python
        from prefect import flow
        from prefect_gcp import GcpCredentials
        from prefect_gcp.bigquery import bigquery_insert_stream
        from google.cloud.bigquery import SchemaField
        @flow
        def example_bigquery_insert_stream_flow():
            gcp_credentials = GcpCredentials(project="project")
            records = [
                {"timestamp": "2022-02-03 10:00", "text": "abc", "bool": True},
            ]
            result = bigquery_insert_stream(
                dataset="integrations",
                table="test_table",
                records=records,
                gcp_credentials=gcp_credentials
            )
            return result

biquery_insert_stream