fix(e2e): unpin next.js to ^16.2.1 in cache-components template (#8158)

Author: jacekradko

integration/templates/next-cache-components/package.json

@@ -13,7 +13,7 @@
     "@types/node": "^18.19.33",
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
-    "next": "16.1.6",
+    "next": "^16.2.1",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "typescript": "^5.7.3"