Merge pull request #7797 from MicrosoftDocs/repo_sync_working_branch

Confirm merge from repo_sync_working_branch to main to sync with https://github.com/MicrosoftDocs/azure-ai-docs (branch main)

Author: PhilKang0704

articles/ai-foundry/reference/region-support.md

@@ -34,6 +34,7 @@ Azure AI Foundry is currently available in the following Azure regions. You can
 - Poland Central
 - South Africa North
 - South Central US
+- South East Asia
 - South India
 - Sweden Central
 - Switzerland North