🔒 chore: Update upload-artifact action to v4 in CI configuration

Author: rubentalstra

.github/workflows/ci.yml

@@ -37,7 +37,7 @@ jobs:
           pytest --maxfail=1 --disable-warnings --junitxml=test-results.xml
 
       - name: Upload test results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: test-results
           path: test-results.xml