fix: Solutions/Snowflake/Data Connectors/requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-SETUPTOOLS-7448482

Author: snyk-bot

Solutions/Snowflake/Data Connectors/requirements.txt

@@ -2,4 +2,5 @@ azure-functions
 requests==2.26.0
 python-dateutil==2.8.2
 azure-storage-file-share==12.5.0
-snowflake-connector-python==2.6.1
+snowflake-connector-python==2.6.1
+setuptools>=70.0.0 # not directly required, pinned by Snyk to avoid a vulnerability