Adding notes on concurrency setup of reusable workflow

[mahdiar-naufal-shyftplan]

Code of Conduct

• I have read and agree to the GitHub Docs project's Code of Conduct

What article on docs.github.com is affected?

https://docs.github.com/en/actions/using-workflows/reusing-workflows

What part(s) of the article would you like to see updated?

By adding this note, it will prevent misconfiguration on concurrency of reusable workflow that cause immediate cancel on the called workflow

Additional information

Related discussion on this issue: https://github.com/orgs/community/discussions/30708

[welcome]

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[cmwilson21]

@cmwilson21 🤦‍♀️ @mahdiar-naufal-shyftplan Thank you for opening an issue and linking it to your PR! ✨

[github-actions]

A stale label has been added to this issue because it has been open for 60 days with no activity. To keep this issue open, add a comment within 3 days.

[cmwilson21]

Reopening as the PR is still waiting for review