chore: use typescript-simple@rc

Author: teppeis

package-lock.json

@@ -21,7 +21,7 @@
     "espower-source": "^2.0.0",
     "minimatch": "^3.0.3",
     "typescript": "^2.2.1",
-    "typescript-simple": "^8.0.3"
+    "typescript-simple": "^8.0.4-rc.0"
   },
   "devDependencies": {
     "expect.js": "^0.3.1",