chore: remove references to 3.8

Author: karenc-bq

.github/workflows/integration_tests_codebuild.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "3.8", "3.11", "3.12", "3.13" ]
+        python-version: [ "3.11", "3.12", "3.13" ]
         environment: [ "mysql", "pg" ]
 
     runs-on: ubuntu-latest