Use concurrency for GitHub Actions workflow #251
Merged
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Same as: rubocop/rubocop-rspec#1539
This PR ensures that only the last execution per branch always works, even when pushed multiple times in a row, for example. The older one is canceled.
Refs:
https://docs.github.com/en/actions/using-jobs/using-concurrency https://github.blog/changelog/2021-04-19-github-actions-limit-workflow-run-or-job-concurrency/