upgrade istanbul-instrumenter-loader

Author: akirasosa

package.json

@@ -66,7 +66,7 @@
     "extract-text-webpack-plugin": "^2.0.0-beta.4",
     "html-webpack-plugin": "^2.24.1",
     "http-proxy": "^1.15.2",
-    "istanbul-instrumenter-loader": "^1.2.0",
+    "istanbul-instrumenter-loader": "^2.0.0",
     "jasmine-core": "^2.5.2",
     "karma": "^1.4.0",
     "karma-chrome-launcher": "^2.0.0",

yarn.lock

@@ -2279,9 +2279,9 @@ isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
 
-istanbul-instrumenter-loader@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/istanbul-instrumenter-loader/-/istanbul-instrumenter-loader-%3Cspan%20class="x x-first x-last">1.2.0.tgz#bef469049b81b23581d0d4db37a271206033cc52"
+istanbul-instrumenter-loader@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/istanbul-instrumenter-loader/-/istanbul-instrumenter-loader-2.0.%3Cspan%20class="x x-first x-last">0.tgz#e5492900ab0bba835efa8024cb00be9b3eea2700"
   dependencies:
     convert-source-map "^1.3.0"
     istanbul-lib-instrument "^1.1.3"