Upgrade upload-artifact to v4 (#299)

Fix the CI workflow

Signed-off-by: Jan Vilimek <jvilimek@users.noreply.github.com>

Author: jvilimek

.github/workflows/ci.yml

@@ -72,9 +72,10 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Upload e2e tests result
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: always()
         with:
           name: e2e-test-report
           path: e2e-test-report/
           retention-days: 30
+          include-hidden-files: true