[draft] cluster: Update peeks

[bkirwi]

Remove these sections if your commit already has a good description!

Motivation

Why does this change exist? Link to a GitHub issue, design doc, Slack
thread, or explain the problem in a sentence or two. A reviewer who has
no context should understand why after reading this section.

If this implements or addresses an existing issue, it's enough to link to that:
Closes
Fixes
etc.

Description

What does this PR actually do? Focus on the approach and any non-obvious
decisions. The diff shows the code --- use this space to explain what the
diff can't tell a reviewer.

Verification

How do you know this change is correct? Describe new or existing automated
tests, or manual steps you took.

[github-actions]

Thanks for opening this PR! Here are a few tips to help make the review process smooth for everyone.

PR title guidelines

• Use imperative mood: "Fix X" not "Fixed X" or "Fixes X"
• Be specific: "Fix panic in catalog sync when controller restarts" not "Fix bug" or "Update catalog code"
• Prefix with area if helpful: compute: , storage: , adapter: , sql:

Pre-merge checklist

• The PR title is descriptive and will make sense in the git log.
• This PR has adequate test coverage / QA involvement has been duly considered. (trigger-ci for additional test/nightly runs)
• If this PR includes major user-facing behavior changes, I have pinged the relevant PM to schedule a changelog post.
• This PR has an associated up-to-date design doc, is a design doc (template), or is sufficiently small to not require a design.
• If this PR evolves an existing $T ⇔ Proto$T mapping (possibly in a backwards-incompatible way), then it is tagged with a T-proto label.
• If this PR will require changes to cloud orchestration or tests, there is a companion cloud PR to account for those changes that is tagged with the release-blocker label (example).