prefix env var (#3968)

Author: wconti27

.github/workflows/system-tests.yml

@@ -302,10 +302,8 @@ jobs:
           ./run.sh ++docker ${{ matrix.scenario }} ${{matrix.scenario == env.FORCE_TESTS_SCENARIO && env.FORCE_TESTS || ''}}
         env:
           DD_API_KEY: ${{ secrets.DD_APPSEC_SYSTEM_TESTS_API_KEY }}
-          AWS_ACCESS_KEY_ID: ${{ secrets.SYSTEM_TESTS_IDM_AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.SYSTEM_TESTS_IDM_AWS_SECRET_ACCESS_KEY }}
-          AWS_REGION: us-east-1
-          AWS_DEFAULT_REGION: us-east-1  # AWS services should use `AWS_REGION`, but some still use the older `AWS_DEFAULT_REGION`
+          SYSTEM_TESTS_AWS_ACCESS_KEY_ID: ${{ secrets.SYSTEM_TESTS_IDM_AWS_ACCESS_KEY_ID }}
+          SYSTEM_TESTS_AWS_SECRET_ACCESS_KEY: ${{ secrets.SYSTEM_TESTS_IDM_AWS_SECRET_ACCESS_KEY }}
       - name: Archive logs
         uses: actions/upload-artifact@v4
         if: ${{ always() }}