Bump rollup from 0.51.5 to 0.55.3

Bumps [rollup](https://github.com/rollup/rollup) from 0.51.5 to 0.55.3.
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v0.51.5...v0.55.3)

package.json

@@ -65,7 +65,7 @@
     "nyc": "^11.3.0",
     "remark": "^8.0.0",
     "remark-lint": "^6.0.1",
-    "rollup": "^0.51.5",
+    "rollup": "^0.55.3",
     "rollup-plugin-babel": "^2.7.1",
     "rollup-plugin-commonjs": "^8.2.6"
   },

yarn.lock

@@ -3759,9 +3759,9 @@ rollup-pluginutils@^2.0.1:
     estree-walker "^0.3.0"
     micromatch "^2.3.11"
 
-rollup@^0.51.5:
-  version "0.51.5"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.51.5.tgz#5caf9101fcaefe344065701ece7de697631a8035"
+rollup@^0.55.3:
+  version "0.55.3"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.55.3.tgz#0af082a766d51c3058430c8372442ff5207d8736"
 
 run-async@^2.2.0:
   version "2.3.0"