fix(deps): update dependency resend to v4

Author: renovate[bot]

package-lock.json

@@ -21,6 +21,6 @@
   "dependencies": {
     "react": "18.2.0",
     "react-dom": "18.2.0",
-    "resend": "3.2.0"
+    "resend": "4.1.1"
   }
 }