drop support for python 3.7 in integration tests

Author: Ty Schlichenmeyer

.github/workflows/integration-tests-sqlserver.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python_version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python_version: ["3.8", "3.9", "3.10", "3.11"]
         msodbc_version: ["17", "18"]
         sqlserver_version: ["2017", "2019", "2022"]
         collation: ["SQL_Latin1_General_CP1_CS_AS", "SQL_Latin1_General_CP1_CI_AS"]