[bug](Cloud) Use value capture for done closure when alter vault sync

be/src/cloud/cloud_internal_service.cpp

@@ -37,7 +37,7 @@ void CloudInternalServiceImpl::alter_vault_sync(google::protobuf::RpcController*
     // If the vaults containing hdfs vault then it would try to create hdfs connection using jni
     // which would acuiqre one thread local jniEnv. But bthread context can't guarantee that the brpc
     // worker thread wouldn't do bthread switch between worker threads.
-    bool ret = _heavy_work_pool.try_offer([&]() {
+    bool ret = _heavy_work_pool.try_offer([this, done]() {
         brpc::ClosureGuard closure_guard(done);
         _engine.sync_storage_vault();
     });