💚(ci) fix performance issue of test job

Currently the test job seems to hit the maximum CPU resource available.
In order to prevent that we try to run tests on several workers.

package.json

@@ -10,6 +10,7 @@
     "build": "turbo run build",
     "dev": "turbo run dev --parallel",
     "test": "turbo run test",
+    "test-ci": "turbo run test-ci",
     "lint": "turbo run lint",
     "deploy": "turbo run deploy",
     "format": "prettier --write \"**/*.{ts,tsx,md}\""