fix: add yalc as dependency to the playground also

Author: boazpoolman

playground/package.json

@@ -13,7 +13,8 @@
   "devDependencies": {
     "jest": "^29.7.0",
     "jest-cli": "^29.7.0",
-    "supertest": "^6.3.3"
+    "supertest": "^6.3.3",
+    "yalc": "^1.0.0-pre.53"
   },
   "dependencies": {
     "@strapi/plugin-cloud": "5.0.4",