chore(deps): add next as a dev dependency (#660)

Author: pranavosu

package.json

@@ -54,6 +54,7 @@
     "@actions/github": "^6.0.0",
     "@aws-amplify/adapter-nextjs": "^1.2.22",
     "@aws-sdk/types": "^3.609.0",
+    "next": "^15.5.10",
     "@changesets/cli": "^2.29.8",
     "@microsoft/api-documenter": "^7.28.5",
     "@microsoft/api-extractor": "^7.42.3",