Update dependency typescript to v3

Author: renovate-bot

package.json

@@ -18,7 +18,7 @@
     "rollup": "0.57.1",
     "rollup-plugin-babel": "3.0.3",
     "rollup-plugin-typescript2": "0.12.0",
-    "typescript": "2.8.1"
+    "typescript": "3.1.3"
   },
   "dependencies": {
     "inferno": "5.0.3",

yarn.lock

@@ -899,9 +899,9 @@ tslib@^1.9.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.0.tgz#e37a86fda8cbbaf23a057f473c9f4dc64e5fc2e8"
 
-typescript@2.8.1:
-  version "2.8.1"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.8.1.tgz#6160e4f8f195d5ba81d4876f9c0cc1fbc0820624"
+typescript@3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.1.3.tgz#01b70247a6d3c2467f70c45795ef5ea18ce191d5"
 
 universalify@^0.1.0:
   version "0.1.1"