chore(deps): update dependency rollup to v0.66.4 (#244)

Author: renovate[bot]

package.json

@@ -56,7 +56,7 @@
     "prettier": "1.14.3",
     "prettier-package-json": "2.0.1",
     "rimraf": "2.6.2",
-    "rollup": "0.66.3",
+    "rollup": "0.66.4",
     "rollup-plugin-babel": "4.0.0-beta.8",
     "rollup-plugin-commonjs": "9.1.8",
     "rollup-plugin-node-resolve": "3.4.0",

yarn.lock

@@ -6494,9 +6494,9 @@ rollup-pluginutils@^2.3.0:
     estree-walker "^0.5.2"
     micromatch "^2.3.11"
 
-rollup@0.66.3:
-  version "0.66.3"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.66.3.tgz#42dfff885fa267262c45ad160979d862a5df1f42"
+rollup@0.66.4:
+  version "0.66.4"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.66.4.tgz#8067b9638af82873b7fd644af9c3d72108ca4bab"
   dependencies:
     "@types/estree" "0.0.39"
     "@types/node" "*"