chore(deps): update dependency @types/cors to v2.8.15

Author: renovate[bot]

packages/flatbread/package.json

@@ -51,7 +51,7 @@
     "serialize-javascript": "^6.0.0"
   },
   "devDependencies": {
-    "@types/cors": "2.8.12",
+    "@types/cors": "2.8.15",
     "@types/express": "4.17.13",
     "@types/gradient-string": "1.1.2",
     "@types/node": "16.11.47",