Memory leak when ContextRefresher is used to refresh context

When ContextRefresher is used to refresh the context, Spring Config Vault seems to be adding a bunch of `ApplicationListeners` to the context without cleaning up existing `ApplicationListeners`.

Reproduction:

[vault_refresh.zip](https://github.com/user-attachments/files/21205908/vault_refresh.zip)

Video:

https://github.com/user-attachments/assets/0510d5fd-859c-4edf-978f-d1b29eb4680b