fix(authz): update impersonation locals type

Keep the newly added impersonation handler compatible with optional environment request locals after rebasing onto master.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: kaposke

packages/server/lib/controllers/v1/admin/impersonate/postImpersonate.ts

@@ -39,7 +39,7 @@ async function challengeAdmin({
     adminUser,
     code
 }: {
-    res: Response<PostImpersonate['Reply'], Required<RequestLocals>>;
+    res: Response<PostImpersonate['Reply'], RequestLocals>;
     logCtx: LogContext;
     adminUser: DBUser;
     code: string | undefined;