Bump sdk generator to 1.18.1

Author: andrii-balitskyi

package-lock.json

@@ -12,7 +12,7 @@
   },
   "devDependencies": {
     "@prettier/plugin-php": "^0.22.1",
-    "@seamapi/nextlove-sdk-generator": "1.18.0",
+    "@seamapi/nextlove-sdk-generator": "1.18.1",
     "@seamapi/types": "1.384.0",
     "del": "^7.1.0",
     "prettier": "^3.0.0"