Added playwright dependency to analytics app, so we can run acceptanc… (TryGhost#24154)

Added playwright dependency to analytics app, so we can run acceptance
tests independently.

Author: ibalosh

apps/stats/package.json

@@ -34,6 +34,7 @@
     },
     "devDependencies": {
         "@faker-js/faker": "9.8.0",
+        "@playwright/test": "1.53.1",
         "@tanstack/react-query": "4.36.1",
         "@testing-library/jest-dom": "5.17.0",
         "@testing-library/react": "14.3.1",