fix(deps): revert upgrade of dependency sort-keys to v5 (#468)

Revert "chore(deps): update dependency sort-keys to v5"

This reverts commit 3ce2191.

Author: timrogers

package-lock.json

@@ -46,7 +46,7 @@
     "prettier": "^2.0.0",
     "semantic-release": "^19.0.3",
     "semantic-release-plugin-update-version-in-files": "^1.0.0",
-    "sort-keys": "^5.0.0",
+    "sort-keys": "^4.2.0",
     "string-to-jsdoc-comment": "^1.0.0",
     "typedoc": "^0.23.0",
     "typescript": "^4.0.2"