fix(syncedinstance): Prevent same-instance syncs and sanitize post update payloads; update tests and docs

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@apiclient.xyz/ghost',
-  version: '2.2.0',
+  version: '2.2.1',
   description: 'An unofficial Ghost CMS API package enabling content and admin functionality for managing posts.'
 }