Automerge failure comment repeated 3 times within one minute

[cb341]

Summary

Depfu posts the same merge failure message 3 times within one minute on a single PR.

Context

• Repository: private
• Base branch: develop
• Ecosystems: yarn, bundler
• Automerge: enabled
• Branch protection: requires 1 approval (no auto approval workflow)

Observed Behavior

For one grouped update PR, Depfu attempts to merge and fails due to missing approval.

The same PR receives 3 identical comments within ~1 minute:

Repository rule violations found
At least 1 approving review is required by reviewers with write access

No commits, status changes, or reviews occur between these messages.

Expected Behavior

Only a single failure message should be posted unless the PR state changes.