fix: Updated core SDK to fix subscription create bug (#163)

Author: bflorian

package.json

@@ -34,7 +34,7 @@
   },
   "homepage": "https://github.com/SmartThingsCommunity/smartapp-sdk-nodejs#readme",
   "dependencies": {
-    "@smartthings/core-sdk": "^0.5.0",
+    "@smartthings/core-sdk": "^1.1.1",
     "@types/aws-lambda": "^8.10.51",
     "@types/i18n": "^0.8.6",
     "async-mutex": "^0.1.4",