Update toc.yml

Author: hrazi

articles/communication-services/toc.yml

@@ -254,6 +254,8 @@ items:
     href: concepts/network-traversal.md    
   - name: Data residency and user privacy
     href: concepts/privacy.md
+  - name: Azure Government
+    href: government.md
   - name: Pricing
     href: concepts/pricing.md
   - name: Email Pricing