Ink Mainnet Votes on Fee Vault Update and Proposer Rotation

Ink Mainnet migrates sequencer operations from Gelato to Optimism Foundation via OP Enterprise, targeting 2026-07-28 cutover. Governance votes on two maintenance actions: fee vault recipient update to 0x1eB630b2e7409597D462dd5f3D21E305FC56B8C9 with 0.15 ETH thresholds, and proposer rotation from 0x65436DDcBc026F34118954f229F7f132b696B3b4 to 0x3832bfbeF03173E4C49a00ec0DD178817A02D177. Neither affects protocol behavior or bridge safety.