Updating upload artifact version to 7

Author: tklepacki

.github/workflows/test-runner.yml

@@ -41,7 +41,7 @@ jobs:
           paths: results.xml
 
       - name: Upload pytest Test Results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v7
         if: success() || failure()
         with:
           name: test-results