chore(deps): update dependency rollup to v0.60.2 (#75)

Author: renovate[bot]

package.json

@@ -52,7 +52,7 @@
     "prettier": "1.13.5",
     "prettier-package-json": "1.6.0",
     "rimraf": "2.6.2",
-    "rollup": "0.60.1",
+    "rollup": "0.60.2",
     "rollup-plugin-babel": "4.0.0-beta.5",
     "rollup-plugin-commonjs": "9.1.3",
     "rollup-plugin-node-resolve": "3.3.0",

yarn.lock

@@ -3909,9 +3909,9 @@ rollup-pluginutils@^2.0.1:
     estree-walker "^0.3.0"
     micromatch "^2.3.11"
 
-rollup@0.60.1:
-  version "0.60.1"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.60.1.tgz#07cb66153f1541d5f7e82b8393b405c31647dae9"
+rollup@0.60.2:
+  version "0.60.2"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.60.2.tgz#9635fea3c2f32095c35cda7bfc2816c675de2da4"
   dependencies:
     "@types/estree" "0.0.39"
     "@types/node" "*"