chore(deps): update dep node from 6.3.0 to v7

Author: renovate[bot]

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2.1
 orbs:
   hokusai: artsy/hokusai@volatile
   horizon: artsy/release@volatile
-  node: circleci/node@6.3.0
+  node: circleci/node@7.1.0
   yarn: artsy/[email protected]
 
 not_staging_or_release: &not_staging_or_release