updated about-protected-branches.md with new Liquid template helper

[PaoloJr]

Why:

request to update documentation with filtering by product-type for the section Require deployments to succeed before merging

Closes: #24498

What's being changed (if available, include any code snippets, screenshots, or gifs):

a Liquid template helper has been added to the section Require deployments to succeed before merging in order to filter which product (Free, Pro, Team, GHES, GHEA etc.) has this feature

Check off the following:

• [X] I have reviewed my changes in staging, available via the View deployment link in this PR's timeline.

  • For content changes, you will also see an automatically generated comment with links directly to pages you've modified. The comment won't appear if your PR only edits files in the data directory.

• [x] For content changes, I have completed the self-review checklist.

[github-actions[bot]]

Automatically generated comment ℹ️

This comment is automatically generated and will be overwritten every time changes are committed to this branch.

The table contains an overview of files in the content directory that have been changed in this pull request. It's provided to make it easy to review your changes on the staging site. Please note that changes to the data directory will not show up in this table.

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Content directory changes

You may find it useful to copy this table into the pull request summary. There you can edit it to share links to important articles or changes and to give a high-level overview of how the changes in your pull request support the overall goals of the pull request.

Source	Preview	Production	What Changed
repositories/configuring-branches-and-merges-in-your-repository/managing-protected-branches/about-protected-branches.md	fpt ghec ghes@ 3.9 3.8 3.7 3.6 3.5 ghae	fpt ghec ghes@ 3.9 3.8 3.7 3.6 3.5 ghae

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fpt: Free, Pro, Team ghec: GitHub Enterprise Cloud ghes: GitHub Enterprise Server ghae: GitHub AE

[cmwilson21]

@PaoloJr90 Thanks for submitting another PR! 🎉

I'll get this triaged for review! :zap:

Quick tip - if you remove the extra line between the Closes: and the issue you are closing, it will automatically link the issue and PR together for faster review and auto issue close when the PR is merged. I updated it for this one, but just a heads up for future PRs 👍

[github-actions[bot]]

Thanks very much for contributing! Your pull request has been merged 🎉 You should see your changes appear on the site in approximately 24 hours. If you're looking for your next contribution, check out our help wanted issues :zap: