chore(main): release taiko-alethia-client 1.6.0

[taiko-kitty]

🤖 I have created a release beep boop

1.6.0 (2025-04-28)

Features

• taiko-client: introduce ImportPendingBlocksFromCache in PreconfBlockAPIServer (#19339) (0da05f5)
• taiko-client: introduce payloadQueue for P2P gossip messages (#19195) (f981f59)
• taiko-client: lookahead sliding window (#19322) (abcc6a6)
• taiko-client: preconf handover skip slots (#19271) (f7fef81)
• taiko-client: run tests post Pacaya fork (#19313) (461bf65)

Bug Fixes

• repo: codecov integration fix (#19326) (2d6673f)
• taiko-client: a Pacaya height that the mainnet won't reach temporarily (#19299) (fe7833b)
• taiko-client: fix an issue in isBatchPreconfirmed (#19314) (17346cf)
• taiko-client: fix an issue in RemovePreconfBlocks when no HeadL1Origin in L2 EE (#19307) (602bdd3)
• taiko-client: fix an issue in missing ancients search (#19323) (ac7ba74)
• taiko-client: fix an occasional engine.SYNCING error when receiving P2P preconf blocks (#19262) (23e4bc5)
• taiko-client: update slots in epoch for handover (#19282) (ea4a197)

Chores

• protocol, taiko-client: general typos fix (#19272) (c22e86d)

Code Refactoring

• taiko-client: rename blobSyncer to eventSyncer (#19340) (74751b9)

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