chore(deps): update dependency rollup to v0.60.0 (#69)

Author: renovate[bot]

package.json

@@ -52,7 +52,7 @@
     "prettier": "1.13.4",
     "prettier-package-json": "1.6.0",
     "rimraf": "2.6.2",
-    "rollup": "0.59.4",
+    "rollup": "0.60.0",
     "rollup-plugin-babel": "4.0.0-beta.4",
     "rollup-plugin-commonjs": "9.1.3",
     "rollup-plugin-node-resolve": "3.3.0",

yarn.lock

@@ -3916,9 +3916,9 @@ rollup-pluginutils@^2.0.1:
     estree-walker "^0.3.0"
     micromatch "^2.3.11"
 
-rollup@0.59.4:
-  version "0.59.4"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.59.4.tgz#6f80f7017c22667ff1bf3e62adf8624a44cc44aa"
+rollup@0.60.0:
+  version "0.60.0"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.60.0.tgz#2c4acaaf3d8a858a81ff740d6253e21eeb58ff21"
   dependencies:
     "@types/estree" "0.0.39"
     "@types/node" "*"