fix(deps): update dependency motion to v12

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
   "dependencies": {
     "@next/mdx": "15.4.4",
     "lodash": "^4.17.21",
-    "motion": "^10.18.0",
+    "motion": "^12.0.0",
     "next": "15.2.6",
     "normalize.css": "8.0.1",
     "react": "19.0.0",