Update dependency typescript to v2.9.2

Author: renovate[bot]

package.json

@@ -38,6 +38,6 @@
     "ts-jest": "22.0.4",
     "tslint": "5.9.1",
     "typedoc": "0.9.0",
-    "typescript": "2.6.2"
+    "typescript": "2.9.2"
   }
 }

yarn.lock

@@ -3122,9 +3122,10 @@ typescript@2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.4.1.tgz#c3ccb16ddaa0b2314de031e7e6fee89e5ba346bc"
 
-typescript@2.6.2:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.6.2.tgz#3c5b6fd7f6de0914269027f03c0946758f7673a4"
+typescript@2.9.2:
+  version "2.9.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"
+  integrity sha512-Gr4p6nFNaoufRIY4NMdpQRNmgxVIGMs4Fcu/ujdYk3nAZqk7supzBE9idmvfZIlH/Cuj//dvi+019qEue9lV0w==
 
 uglify-js@^2.6:
   version "2.8.29"