Security: Pin package.json versions

Author: lamATnginx

tests/package-lock.json

@@ -3,6 +3,6 @@
   "version": "1.0.0",
   "private": "true",
   "devDependencies": {
-    "@playwright/test": "^1.48.0"
+    "@playwright/test": "1.48.0"
   }
 }