Merge pull request #265 from tomyitav/renovate/rollup-1.x

chore(deps): update dependency rollup to v1.19.4

Author: tomyitav

package-lock.json

@@ -126,7 +126,7 @@
     "prompt": "1.0.0",
     "replace-in-file": "4.1.2",
     "rimraf": "2.6.3",
-    "rollup": "1.18.0",
+    "rollup": "1.19.4",
     "rollup-plugin-commonjs": "10.0.2",
     "rollup-plugin-json": "4.0.0",
     "rollup-plugin-node-resolve": "5.2.0",