[create-pull-request] automated change (#378)

Co-authored-by: tstirrat15 <2581423+tstirrat15@users.noreply.github.com>

Author: AuthzedApprover

pages/spicedb/getting-started/installing-zed.mdx

@@ -1407,6 +1407,7 @@ zed validate <validation_file_or_schema_file> [flags]
 ### Options
 
 ```
+      --fail-on-warn         treat warnings as errors during validation
       --force-color          force color code output even in non-tty environments
       --schema-type string   force validation according to specific schema syntax ("", "composable", "standard")
 ```