add redshift connector

Author: dfalbel

extensions/positron-python/python_files/posit/pinned-test-requirements.txt

@@ -48,6 +48,7 @@ pytest==9.0.1; python_version >= '3.10'
 pytest-asyncio==1.2.0; python_version == '3.9'
 pytest-asyncio==1.3.0; python_version >= '3.10'
 pytest-mock==3.15.1
+redshift_connector==2.1.10
 syrupy==4.9.1; python_version == '3.9'
 syrupy==5.0.0; python_version >= '3.10'
 torch==2.8.0; python_version == '3.9'

extensions/positron-python/python_files/posit/test-requirements.txt

@@ -24,6 +24,7 @@ pytest
 pytest-asyncio
 pytest-mock
 syrupy
+redshift_connector
 torch
 scipy
 snowflake-connector-python; python_version < '3.14'