Fix sections in the "Configure dependabot.yml" docs being affected by a recent unrelated change.

[orendain]

Why:

Closes: #27863

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

A recent commit, 7b8fd5e, updated the reusables.dependabot.option-affects-security-updates template. This had the intended affect of updating the section being edited, but had a (presumably) unintended side-effect of affecting all other sections that used that template.

This PR reverts the changes to the reusables.dependabot.option-affects-security-updates, sparing all other sections that received the unintended change, while moving the originally-intended content directly to the section it was intended for.

Before this PR:

After:

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  • 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.

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

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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
code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file.md	fpt ghec ghes@ 3.10 3.9 3.8 3.7 3.6	fpt ghec ghes@ 3.10 3.9 3.8 3.7 3.6

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

[cmwilson21]

@orendain Thank you for opening a PR and linking it to your issue! We really appreciate the screenshots and well defined description here, too! ✨

I'll get this triaged for review ⚡

[felicitymay]

@orendain - many thanks for this great fix 💖

We'll get it merged as soon as possible 🚀

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