Add driver parameter for MsSQL URL for production image in docs (#18426)
Add driver parameter for MsSQL URL for production image in docs (#18426)

The production image uses ODBC Driver to connect to mssql, and you
need to specify the driver explicitely to make it works.
lyft/incubator-airflow,danielvdende/incubator-airflow,apache/incubator-airflow,Acehaidrey/incubator-airflow,cfei18/incubator-airflow,mistercrunch/airflow,Acehaidrey/incubator-airflow,cfei18/incubator-airflow,danielvdende/incubator-airflow,cfei18/incubator-airflow,apache/airflow,apache/airflow,apache/airflow,Acehaidrey/incubator-airflow,nathanielvarona/airflow,nathanielvarona/airflow,Acehaidrey/incubator-airflow,apache/incubator-airflow,mistercrunch/airflow,cfei18/incubator-airflow,cfei18/incubator-airflow,Acehaidrey/incubator-airflow,apache/incubator-airflow,lyft/incubator-airflow,mistercrunch/airflow,apache/airflow,nathanielvarona/airflow,danielvdende/incubator-airflow,nathanielvarona/airflow,bolkedebruin/airflow,nathanielvarona/airflow,mistercrunch/airflow,apache/airflow,danielvdende/incubator-airflow,cfei18/incubator-airflow,apache/airflow,bolkedebruin/airflow,Acehaidrey/incubator-airflow,bolkedebruin/airflow,nathanielvarona/airflow,danielvdende/incubator-airflow,danielvdende/incubator-airflow,bolkedebruin/airflow,apache/incubator-airflow,lyft/incubator-airflow,lyft/incubator-airflow,bolkedebruin/airflow