Update dependencies in example and plugin package.json files

Upgraded Next.js, ESLint, and various related dependencies in multiple example and plugin package.json files to their latest versions. This ensures compatibility, improved performance, and security updates across the affected projects.

Author: colinmurphy

examples/next/apollo-client-data-fetch/example-app/package-lock.json

@@ -13,7 +13,7 @@
     "crypto-hash": "^3.1.0",
     "debounce": "^2.2.0",
     "graphql": "^16.10.0",
-    "next": "15.2.4",
+    "next": "^15.5.2",
     "react": "^19.0.0",
     "react-dom": "^19.0.0"
   },

examples/next/apollo-client-data-fetch/example-app/package.json

@@ -10,7 +10,7 @@
     "prettier": "prettier --write ."
   },
   "dependencies": {
-    "next": "15.2.4",
+    "next": "^15.5.2",
     "prettier": "^3.5.3",
     "react": "^19.0.0",
     "react-dom": "^19.0.0"

examples/next/client-multisite-app-router-fetch-data/example-app/package-lock.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "@apollo/client": "^3.13.5",
-    "next": "15.2.4",
+    "next": "^15.5.2",
     "react": "^19.0.0",
     "react-dom": "^19.0.0"
   },