Some more Solana changes from Nick & Mike.

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Commit highlight:
 - Solana program deployment failed because blockhash was expired - https://github.com/solana-labs/solana/pull/34621
 - [TieredStorage] HotStorageWriter::new() - https://github.com/solana-labs/solana/pull/34659
 - GitHub workflows: Disable cron schedule for forks - https://github.com/solana-labs/solana/pull/34703
 - Fix program buffer account rent-exempt lamport calculation - https://github.com/solana-labs/solana/pull/34722
 - cli: Use program length for deployments instead of 2x length - https://github.com/solana-labs/solana/pull/34730

SIMD-0101: Halve Rent
- https://github.com/solana-foundation/solana-improvement-documents/pull/101

Resources:
 - Luzid test validator - https://twitter.com/thlorenz/status/1742997352959582450
 - SolAndy's videos - https://www.youtube.com/@solandy

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Nick: https://twitter.com/nickfrosty

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Solana Changelog - Jan 16 - Lower program deploy costs, Halve rent, Luzid test validator