fix(deps): update dependency react-email to v6.6.7

Author: renovate[bot]

package.json

@@ -9,7 +9,7 @@
     "hono": "4.8.4",
     "react": "19.1.0",
     "react-dom": "19.1.0",
-    "react-email": "6.0.0",
+    "react-email": "6.6.7",
     "resend": "6.5.2"
   },
   "devDependencies": {