chore(deps): update homebrew/actions digest to 3b81d43

[mergeraptor]

This PR contains the following updates:

Package	Type	Update	Change
Homebrew/actions (changelog)	action	digest	c722b5d → 3b81d43

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This PR has been generated by Mend Renovate CLI.

[mergeraptor]

Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠️ Warning: custom changes will be lost.

[hanthor]

Diff is fine; it's stuck because no check has reported on the current head

The change itself is a clean one-line SHA-pinned digest bump and it merges into current main without conflict:

$ git merge-tree --write-tree main pr1101   # no conflict

-        uses: Homebrew/actions/setup-homebrew@c722b5d961eb7f3ebec81ec2e5584faf7c3cff5d # main
+        uses: Homebrew/actions/setup-homebrew@3b81d438eda92ee13b5849940d993be027717ecf # main

Still SHA-pinned with the # main comment intact, so the supply-chain posture is unchanged. Only .github/workflows/validate-brewfiles.yaml is touched — nothing under system_files/, so no image blast radius.

Why it isn't merging: mergeable_state is blocked and there are zero reported checks on head 905cd33:

$ pull_request_read get_status 1101
{"state":"pending","sha":"905cd33...","total_count":0,"statuses":[]}
$ pull_request_read get_check_runs 1101
{"total_count":0,"check_runs":[]}

The automerge label can't fire while required checks are pending-and-absent, so this will sit indefinitely without a nudge.

Two contributing details worth a maintainer's eye:

1. There is a second, non-Renovate commit on this branch. 905cd33 ci: retry transient failing checks sits on top of caeb02c chore(deps): update homebrew/actions digest to 3b81d43. Renovate treats a branch with commits it didn't author as modified and generally stops rebasing it, which means this PR will also not self-update as main moves (its base is dff365d; main is now 56d81ef). If that commit was only meant to re-trigger CI, the cleaner path is ticking the rebase checkbox in the PR body and letting Renovate recreate the branch.
2. The workflow this edits is path-filtered, so pushing an unrelated empty-ish commit is not a reliable way to re-trigger it. A workflow_dispatch / re-run from the Actions tab is more likely to produce the missing check.

Nothing here needs changing in the diff — it just needs a check to actually run.

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Generated by Claude Code

[castrojo]

LGTM, clean SHA digest bump passing all checks

[Danathar]

Approving as the second reviewer. This moves the Homebrew setup action from one commit on its main branch (09-09) to the next one (09-10). I checked both commits exist on Homebrew/actions main, and the workflow that uses it (validate-brewfiles) ran green on this PR.