chore(package): update rollup to version 2.10.8

Closes #2

Author: greenkeeper[bot]

package.json

@@ -100,7 +100,7 @@
     "prompt": "^1.0.0",
     "replace-in-file": "^3.0.0-beta.2",
     "rimraf": "^2.6.1",
-    "rollup": "^0.62.0",
+    "rollup": "^2.10.8",
     "rollup-plugin-babel": "^3.0.6",
     "rollup-plugin-commonjs": "^9.0.0",
     "rollup-plugin-json": "^3.0.0",