fix(deps): update dependency next to v14.2.21 [security] (#479)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -21,7 +21,7 @@
     "dayjs": "^1.11.13",
     "lodash": "^4.17.21",
     "motion": "^10.18.0",
-    "next": "14.2.17",
+    "next": "14.2.21",
     "normalize.css": "8.0.1",
     "react": "19.0.0",
     "react-dom": "19.0.0",