Merge pull request #654 from apiaryio/arzakhar/deps-rollup

chore(dev-deps): bump rollup from 1.32.1 to 2.55.1

Author: artem-zakharchenko

package-lock.json

@@ -61,7 +61,7 @@
     "lint-staged": "11.1.1",
     "mocha": "8.3.2",
     "prettier": "1.19.1",
-    "rollup": "1.32.1",
+    "rollup": "2.55.1",
     "rollup-plugin-commonjs": "10.1.0",
     "rollup-plugin-node-resolve": "5.2.0",
     "rollup-plugin-terser": "7.0.2",