NoMethodError: undefined method `serialize_payload' for Unsuspend Account Service

[HolgerHuo]

Expected behaviour

When unspending an account, no error thrown in sidekiq.

Actual behaviour

Sidekiq retries, in queue pull, job Admin::UnsuspensionWorker, error NoMethodError: undefined method 'serialize_payload' for #<UnsuspendAccountService:> occurred.

Steps to reproduce the problem

1. Suspend and unsuspend an account.
2. Go to sidekiq retries.

Specifications

3.4.1 stable version of Mastodon.

[HolgerHuo]

Tested in my environment and should be fixed in #16605.