Shuttle Soars to New Heights with Release 0.6.12!

Version update rectifies reconciliation issues as Farcaster responds swiftly to user feedback.

Commit Details:

chore: Release shuttle 0.6.12 (#2424) ## Why is this change needed? Release shuttle with revert for reconciliation issue. ## Merge Checklist _Choose all relevant options below by adding an `x` now or at any time before submitting for review_ - [x] PR title adheres to the [conventional commits](https://www.conventionalcommits.org/en/v1.0.0/) standard - [x] PR has a [changeset](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#35-adding-changesets) - [x] PR has been tagged with a change label(s) (i.e. documentation, feature, bugfix, or chore) - [ ] PR includes [documentation](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#32-writing-docs) if necessary. <!-- start pr-codex --> --- ## PR-Codex overview This PR focuses on updating the version of the `@farcaster/shuttle` package from `0.6.11` to `0.6.12`, along with a changelog entry that documents a specific feature revert. ### Detailed summary - Updated `version` of `@farcaster/shuttle` from `0.6.11` to `0.6.12`. - Added changelog entry for version `0.6.12` noting the revert of the feature "Support deleting messages on DB that are missing on hub" (#2341). > ✨ Ask PR-Codex anything about this PR by commenting with `/codex {your question}` <!-- end pr-codex -->