lh broker cache expected readcount retention rebase

[lhotari]

• [pip] PIP-430: Pulsar Broker cache improvements: refactoring eviction and adding a new cache strategy based on expected read count ([pip] PIP-430: Pulsar Broker cache improvements: refactoring eviction and adding a new cache strategy based on expected read count apache/pulsar#24444)
• [refactor][ml] Replace cache eviction algorithm with centralized removal queue and job ([refactor][ml] Replace cache eviction algorithm with centralized removal queue and job apache/pulsar#24363)
• Add some broker entry cache end-to-end tests to confirm assumptions
• Add expected read count solution