fix(deps): update dependency motion to v12

Author: renovate[bot]

package.json

@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "@next/mdx": "15.5.12",
-    "motion": "^10.18.0",
+    "motion": "^12.0.0",
     "next": "16.1.6",
     "normalize.css": "8.0.1",
     "react": "19.2.4",