Revolutionizing Data Insights: New Metrics Boost Diff Sync Capabilities!

Latest update enhances sync engine performance by introducing enhanced statistics for on-chain events and sync message tracking.

Commit Details:

chore: update statsd metrics for diff sync (#2132) ## Motivation Describe why this issue should be fixed and link to any relevant design docs, issues or other relevant items. ## Change Summary Describe the changes being made in 1-2 concise sentences. ## Merge Checklist _Choose all relevant options below by adding an `x` now or at any time before submitting for review_ - [ ] PR title adheres to the [conventional commits](https://www.conventionalcommits.org/en/v1.0.0/) standard - [ ] PR has a [changeset](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#35-adding-changesets) - [ ] 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. - [ ] All [commits have been signed](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#22-signing-commits) ## Additional Context If this is a relatively large or complex change, provide more details here that will help reviewers <!-- start pr-codex --> --- ## PR-Codex overview This PR focuses on adding statistics tracking for different types of sync messages in the `syncEngine.ts` file. ### Detailed summary - Added statistics tracking for on-chain events, FNames, and messages sync messages - Incremented success, error, and deferred counts for each type of sync message > ✨ Ask PR-Codex anything about this PR by commenting with `/codex {your question}` <!-- end pr-codex -->