Add basic auth to REST doc and examples (#50758)

Co-authored-by: Sarah Edwards <skedwards88@github.com>
Co-authored-by: Peter Bengtsson <peterbe@github.com>

src/github-apps/scripts/sync.js

@@ -185,6 +185,7 @@ export async function getProgAccessData(progAccessSource, isRest = false) {
         : operation.permission_sets || [],
       allowPermissionlessAccess: operation.allows_permissionless_access,
       allowsPublicRead: operation.allows_public_read,
+      basicAuth: operation.basic_auth,
     }
   }