refactor: included missing package

TICKET: WP-5415

Author: danielzhao122

modules/express/package.json

@@ -49,6 +49,7 @@
     "debug": "^3.1.0",
     "dotenv": "^16.0.0",
     "express": "4.21.2",
+    "io-ts-types": "^0.5.16",
     "io-ts": "npm:@bitgo-forks/io-ts@2.1.4",
     "lodash": "^4.17.20",
     "morgan": "^1.9.1",