Update dependency typescript to v2.7.1

Author: renovate-bot

basic/package.json

@@ -37,6 +37,6 @@
     "@angular/compiler-cli": "4.4.6",
     "codelyzer": "2.1.1",
     "tslint": "4.5.1",
-    "typescript": "2.6.2"
+    "typescript": "2.7.1"
   }
 }

basic/yarn.lock

@@ -5166,7 +5166,11 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@2.6.2, typescript@~2.6.1:
+typescript@2.7.1:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.1.tgz#bb3682c2c791ac90e7c6210b26478a8da085c359"
+
+typescript@~2.6.1:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.6.2.tgz#3c5b6fd7f6de0914269027f03c0946758f7673a4"