Deprecate LightningLoggerBase.close

Deprecate LightningLoggerBase.close: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). This is a follow up to https://github.com/PyTorchLightning/pytorch-lightning/discussions/9004 discussioncomment-1212966 and…