2.5.2-rc2

What's Changed

Changed

• CHIA-2382 Create a mempool item out of a copy of the input one when processing fast forward spends by @AmineKhaldi in #19273
• CHIA-2381 Validate fast forward spends before adding their spend bundle to the mempool by @AmineKhaldi in #19272
• update pin to chia-blockchain-gui by @wjblanke in #19292

Fixed

• [CHIA-2380] harden mempool fast-forward feature by @arvidn in #19276
• Syncstorewjb by @wjblanke in #19284

Full Changelog: 2.5.1...2.5.2-rc2