[nextjs] add to support next.js 16 (#414)

Co-authored-by: Siriwat K <siriwatkunaporn@gmail.com>

Author: jooy2

packages/pigment-css-nextjs-plugin/package.json

@@ -36,7 +36,7 @@
     "react-dom": "^19.0.0"
   },
   "peerDependencies": {
-    "next": "^12.0.0 || ^13.0.0 || ^14.0.0 || ^15.0.0"
+    "next": "^12.0.0 || ^13.0.0 || ^14.0.0 || ^15.0.0 || ^16.0.0"
   },
   "sideEffects": false,
   "publishConfig": {