Update upload-artifact action from version v3 to v4.

Author: jarkkoka

github-actions/run-cypress-tests/action.yml

@@ -38,7 +38,7 @@ runs:
     - name: Upload test reports as an artifact
       # should be run even if the tests fail
       if: always()
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: cypress-docker-reports
         path: |