Bump gzip-size from 5.1.1 to 6.0.0

Author: ryanhefner

package-lock.json

@@ -75,7 +75,7 @@
     "enzyme": "^3.11.0",
     "enzyme-adapter-react-16": "^1.15.2",
     "greenkeeper-lockfile": "^1.15.1",
-    "gzip-size": "^5.1.1",
+    "gzip-size": "^6.0.0",
     "jest": "^26.2.2",
     "jest-enzyme": "^7.1.2",
     "jsdom": "^16.3.0",