Remove refence to rebase-strategy

[yeikel]

Why:

The rebase-strategy mention is not related to the feature discussed and it just adds noise

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

Removes unrelated mentions to rebase-strategy as it is not related to the feature being discussed

Check off the following:

• A subject matter expert (SME) has reviewed the technical accuracy of the content in this PR. In most cases, the author can be the SME. Open source contributions may require an SME review from GitHub staff.
• The changes in this PR meet the docs fundamentals that are required for all content.
• All CI checks are passing and the changes look good in the review environment.

[github-actions]

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Table of review links

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Source	Review	Production	What Changed
code-security/dependabot/dependabot-version-updates/controlling-dependencies-updated.md	fpt ghec ghes@ 3.17 3.16 3.15 3.14	fpt ghec ghes@ 3.17 3.16 3.15 3.14

Key: fpt: Free, Pro, Team; ghec: GitHub Enterprise Cloud; ghes: GitHub Enterprise Server

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[Sharra-writes]

@yeikel Thanks for opening a PR! I'll get this triaged for review.