Merge pull request #1642 from sdgilley/patch-13

Update region-support.md

Author: prmerger-automator[bot]

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

@@ -38,6 +38,7 @@ Azure AI Studio is currently available in the following Azure regions. You can c
 - South Central US
 - Sweden Central
 - Switzerland North
+- UAE North
 - UK South
 - West Europe
 - West US