chore(deps): update dependency typescript to v3 (#49)

Author: renovate[bot]

package.json

@@ -59,7 +59,7 @@
     "serve": "9.4.0",
     "tslint": "5.11.0",
     "tslint-config-prettier": "1.14.0",
-    "typescript": "2.9.2"
+    "typescript": "3.0.1"
   },
   "keywords": [
     "if-needed",

yarn.lock

@@ -5514,9 +5514,9 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@2.9.2:
-  version "2.9.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"
+typescript@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.0.1.tgz#43738f29585d3a87575520a4b93ab6026ef11fdb"
 
 uglify-js@^2.6:
   version "2.8.29"