chore: Updating connection URI for MS SQL Server (#22903)

Co-authored-by: Evan Rusackas <evan@preset.io>

docs/docs/databases/installing-database-drivers.mdx

@@ -54,7 +54,7 @@ A list of some of the recommended packages.
 | [SAP Hana](/docs/databases/hana) | `pip install hdbcli sqlalchemy-hana or pip install apache-superset[hana]` | `hana://{username}:{password}@{host}:{port}` |
 | [Snowflake](/docs/databases/snowflake) | `pip install snowflake-sqlalchemy` | `snowflake://{user}:{password}@{account}.{region}/{database}?role={role}&warehouse={warehouse}` |
 | SQLite | No additional library needed | `sqlite://` |
-| [SQL Server](/docs/databases/sql-server) | `pip install pymssql` | `mssql://` |
+| [SQL Server](/docs/databases/sql-server) | `pip install pymssql` | `mssql+pymssql://` |
 | [Teradata](/docs/databases/teradata) | `pip install teradatasqlalchemy` | `teradatasql://{user}:{password}@{host}` |
 | [TimescaleDB](/docs/databases/timescaledb) | `pip install psycopg2` | `postgresql://<UserName>:<DBPassword>@<Database Host>:<Port>/<Database Name>` |
 | [Vertica](/docs/databases/vertica) | `pip install sqlalchemy-vertica-python` | `vertica+vertica_python://<UserName>:<DBPassword>@<Database Host>/<Database Name>` |