chore(deps): update dependency gatsby to v4 [security]

Author: renovate[bot]

package.json

@@ -98,7 +98,7 @@
     "docz-plugin-netlify": "1.1.4",
     "docz-theme-default": "1.2.0",
     "eclint": "2.8.1",
-    "gatsby": "2.0.89",
+    "gatsby": "4.25.7",
     "husky": "1.3.1",
     "jest": "23.6.0",
     "jest-emotion": "9.2.11",