Update ADO SMS instructions to include service hooks (#1965)

Author: andy-r2c

docs/deployment/managed-scanning/azure.md

@@ -26,6 +26,7 @@ Add Azure DevOps repositories to your Semgrep organization in bulk without addin
     - `Project and Team: Read & write`
     - `Code: Read`
     - `Pull Request Threads: Read & write`
+    - `Service Hooks: Read & manage`
 
 ## Enable Managed Scans and scan your first repository
 

docs/getting-started/quickstart-sms.md

@@ -49,6 +49,7 @@ Semgrep recommends setting up and configuring Semgrep with an Azure DevOps servi
 - `Project and Team: Read & write`
 - `Code: Read`
 - `Pull Request Threads: Read & write`
+- `Service Hooks: Read & manage`
 
 ### Add a repository