Merge pull request #33 from mocks-server/renovate/rollup-2.x

chore(deps): update dependency rollup to v2

Author: javierbrea

package-lock.json

@@ -42,7 +42,7 @@
     "jest": "25.1.0",
     "lint-staged": "10.0.8",
     "prettier": "1.19.1",
-    "rollup": "1.32.1",
+    "rollup": "2.1.0",
     "rollup-plugin-babel": "4.4.0",
     "rollup-plugin-commonjs": "10.1.0",
     "rollup-plugin-node-resolve": "5.2.0",