Pin inquirer typings for now.

buildutils/package.json

@@ -44,7 +44,7 @@
   "devDependencies": {
     "@types/fs-extra": "~4.0.3",
     "@types/glob": "~5.0.33",
-    "@types/inquirer": "~0.0.35",
+    "@types/inquirer": "0.0.36",
     "@types/node": "~8.0.47",
     "rimraf": "~2.6.2"
   }

yarn.lock

@@ -766,9 +766,9 @@
   version "9.12.2"
   resolved "https://registry.yarnpkg.com/@types/highlight.js/-/highlight.js-9.12.2.tgz#6ee7cd395effe5ec80b515d3ff1699068cd0cd1d"
 
-"@types/inquirer@~0.0.35":
-  version "0.0.43"
-  resolved "https://registry.yarnpkg.com/@types/inquirer/-/inquirer-0.0.43.tgz#1eb0bbb4648e6cc568bd396c1e989f620ad01273"
+"@types/inquirer@0.0.36":
+  version "0.0.36"
+  resolved "https://registry.yarnpkg.com/@types/inquirer/-/inquirer-0.0.36.tgz#d27aae262b127ffc2e6dbf8e14e8caf7f7c059a3"
   dependencies:
     "@types/rx" "*"
     "@types/through" "*"