CRM-9242: Office 365 Calendar Integration (#30243)

* CRM-9275: Re-process failed events
* CRM-9282: Process 410 response code
* CRM-9242: Office 365 Calendar Integration - add custom headers to iterators
* CRM-9287: Create transformer for HTML body content

Author: yurio

dev.json

@@ -41,8 +41,7 @@
     "oro/mailchimp": "4.2.x-dev",
     "oro/cookie-consent": "4.2.x-dev",
     "oro/gridfs-config": "4.2.x-dev",
-    "oro/commerce-demo-checkouts": "4.2.x-dev",
-    "oro/microsoft-sync": "4.2.x-dev"
+    "oro/commerce-demo-checkouts": "4.2.x-dev"
   },
   "require-dev": {
     "behat/behat": "~3.8.1",