style(nodejs): fix prettier formatting in session.ts

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: SteveSandersonMS

nodejs/src/session.ts

@@ -727,10 +727,7 @@ export class CopilotSession {
      * await session.setModel("claude-sonnet-4.6", { reasoningEffort: "high" });
      * ```
      */
-    async setModel(
-        model: string,
-        options?: { reasoningEffort?: ReasoningEffort }
-    ): Promise<void> {
+    async setModel(model: string, options?: { reasoningEffort?: ReasoningEffort }): Promise<void> {
         await this.rpc.model.switchTo({ modelId: model, ...options });
     }