Fix call to aa-exec in automated tests

Author: sanason

.github/workflows/ci.yml

@@ -23,4 +23,4 @@ jobs:
         # aa-exec applies Ubuntu's AppArmor profile for stable Chrome binaries to the Chrome for Testing binary downloaded by Puppeteer
         # Without it, Puppeteer fails with error "No usable sandbox!"
         # See https://pptr.dev/troubleshooting#issues-with-apparmor-on-ubuntu
-        run: npm run test-site-dev & sleep 20; aa-exec --profile=chrome npm run cucumber
+        run: npm run test-site-dev & sleep 20; aa-exec -p chrome -- npm run cucumber