build(deps-dev): bump next from 14.2.7 to 14.2.21 (#36)

Author: dependabot[bot]

package.json

@@ -17,7 +17,7 @@
         "@vercel/edge": "^1.1.2",
         "eslint": "^8.57.0",
         "eslint-config-next": "^14.2.7",
-        "next": "^14.2.7",
+        "next": "^14.2.21",
         "prettier": "^3.3.3",
         "react": "^18.3.1",
         "typescript": "^5.5.4"