Update confluencemicrosoft-tutorial.md

Updated Confluence Support Version 6.15.9

Author: SagarQA1695

articles/active-directory/saas-apps/confluencemicrosoft-tutorial.md

@@ -60,7 +60,7 @@ As of now, following versions of Confluence are supported:
 
 - Confluence: 5.0 to 5.10
 - Confluence: 6.0.1 to 6.15.9
-- Confluence: 7.0.1 to 8.1.0
+- Confluence: 7.0.1 to 8.3.0
 
 > [!NOTE]
 > Please note that our Confluence Plugin also works on Ubuntu Version 16.04