Source Shopify: Connector Failed Error due to JSON Schema

## Connector
source-shopify

## Issue
Running a source read with the below code fails with a ConnectorFailedError

```python
source = ab.get_source(
"source-shopify",
install_if_missing=True,
config={
"shop": shopify_resource["store_name"],
"credentials": {
"auth_method": "api_password",
"api_password": shopify_resource["token"],
},
},
)

source.check()
source.get_available_streams()
source.select_streams(["customers", "orders"])
bq_cache = BigQueryCache(
project_name=bigquery_resource["project_id"],
dataset_name="shopify_test",
credentials_path= file_path
)

result = source.read(cache=bq_cache, force_full_refresh=True)

return result
```

The error message is:
```
Started `source-shopify` read operation at 09:58:38...
Read started on stream: customers at 09:58:57...
Read started on stream: orders at 10:00:46...
Could not determine airbyte type from JSON schema: {'description': 'Timestamp
when the marketing consent status was last updated.', 'anyOf': [{'type':
'string', 'format': 'date-time'}, {'type': 'string'}, {'type': 'null'}]}
Failed `source-shopify` read operation at 10:03:32.
```