Cloud: new region Saudi Arabia

Author: filiphaftek

docs/cloud/index.mdx

@@ -89,6 +89,7 @@ Sourcegraph Cloud instances are deployed in one of Google Cloud Platform data ce
 - Europe (UK or Germany) - `europe-west2` or `europe-west3`
 - Asia (Japan) - `asia-northeast1`
 - Australia - `australia-southeast1`
+- Saudi Arabia - `me-central2`
 
 If you have specific requirements for the region, please reach out to your Sourcegraph account team.