Bump actions/upload-artifact from v2 to v4

Author: PatrickePatate

.github/workflows/main.yml

@@ -102,7 +102,7 @@ jobs:
           working-directory: tests-e2e
           env: CI=true
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         if: always()
         continue-on-error: true
         with: