Update dependency typescript to v2.8.1

Author: renovate-bot

package.json

@@ -72,7 +72,7 @@
     "release-it": "7.2.1",
     "ts-jest": "22.4.1",
     "tslint": "5.9.1",
-    "typescript": "2.7.2"
+    "typescript": "2.8.1"
   },
   "git-pre-hooks": {
     "pre-push": [

yarn.lock

@@ -45,7 +45,7 @@
     ramda "0.25.0"
     shortid "2.2.8"
 
-"@devinit/prelude@1.1.1:":
+"@devinit/prelude@1.1.0":
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@devinit/prelude/-/prelude-1.1.0.tgz#a997f680f0cad8de531ee251a36bb6d8a4ab225f"
   dependencies:
@@ -6231,7 +6231,11 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@2.7.2, typescript@^2.2.2:
+typescript@2.8.1:
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.8.1.tgz#6160e4f8f195d5ba81d4876f9c0cc1fbc0820624"
+
+typescript@^2.2.2:
   version "2.7.2"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.2.tgz#2d615a1ef4aee4f574425cdff7026edf81919836"