add West US serverless GPU region

Author: cachai2

articles/container-apps/gpu-serverless-overview.md

@@ -76,7 +76,14 @@ Access to this feature is only available after you have serverless GPU quota. Yo
 
 ## Supported regions
 
-Serverless GPUs are available in the *West US 3*, *Australia East*, and *Sweden Central* regions.
+Serverless GPUs are available in the following regions:
+
+| Region | A100 | T4 |
+|--|--|--|
+| West US 3 | yes | yes |
+| West US | yes | no |
+| Australia East | yes | yes |
+| Sweden Central | yes | yes |
 
 ## Use serverless GPUs