fix(bin): update bin path for npx usage

Author: djMax

package.json

@@ -4,7 +4,7 @@
   "description": "A version of openapi-typescript that also generates enumerations",
   "main": "build/index.js",
   "types": "build/index.d.ts",
-  "bin": "build/bin/openapi-typescript-enum.js",
+  "bin": "build/bin/index.js",
   "author": "Max Metral <[email protected]>",
   "license": "MIT",
   "packageManager": "[email protected]",