Actions: Add section about group/ungroup commands

[Simran-B]

Why:

Missing in Actions documentation, but available here:
https://github.com/actions/toolkit/blob/main/docs/commands.md#group-and-ungroup-log-lines

What's being changed:

• Add new section about grouping log lines
• Improve table markup
• Change headline level of Multline strings example from h4 to h5 (make Example a child section of Multiline string section)

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Changed headline level:

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Check off the following:

• All of the tests are passing.
• I have reviewed my changes in staging locally.
• For content changes, I have reviewed the localization checklist
• For content changes, I have reviewed the Content style guide for GitHub Docs.

[Simran-B]

Hm, should I retake the screenshot at 150% or 200% browser scale? That would make it look crisper on high density screens.

[janiceilene]

Thanks so much @Simran-B! I'll get this triaged for review 🎉

[Simran-B]

The screen shot looks much better on my phone now, but it's displayed quite large on desktop. Is there an existing solution to adjust the size based on native pixel size or something along this line?

https://docs-482--actions-group-comman.herokuapp.com/en/free-pro-team@latest/actions/reference/workflow-commands-for-github-actions#grouping-log-lines

[github-actions]

This PR is stale because it has been open 7 days with no activity and will be automatically closed in 3 days. To keep this PR open, update the PR by adding a comment or pushing a commit.

[janiceilene]

Sorry about the delay @Simran-B! We've got quite a few things going on that our small team is taking care of, but this is definitely not stale and we'll get it reviewed 💛

[rachmari]

@Simran-B thanks for catching this and updating the docs! ✨ I just had one suggestion to change the language to match the tone style guide for the docs. Once that is updated, I can get this shipped for you! 🚢

[rachmari]

@Simran-B thank you so much for cleaning up the table and adding the group command! This looks fantastic. 🙌 I'm going to ship this right away. 🚀 🚢

[github-actions]

Thanks very much for contributing! Your pull request has been merged 🎉 You should see your changes appear on the site in approximately 24 hours.