Update terminology from "Required reviews" to "Required approvals" (#55878)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: hubwriter <54933897+hubwriter@users.noreply.github.com>

Author: Copilot

content/copilot/using-github-copilot/code-review/using-copilot-code-review.md

@@ -114,7 +114,7 @@ These instructions explain how to use {% data variables.copilot.copilot_code-rev
 
    ![Screenshot of a code review left by {% data variables.product.prodname_copilot_short %}.](/assets/images/help/copilot/code-review/review-comment@2x.png)
 
-   {% data variables.product.prodname_copilot_short %} always leaves a "Comment" review, not an "Approve" review or a "Request changes" review. This means that {% data variables.product.prodname_copilot_short %}'s reviews do not count toward required reviews for the pull request, and {% data variables.product.prodname_copilot_short %}'s reviews will not block merging changes. For more details, see [AUTOTITLE](/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/approving-a-pull-request-with-required-reviews).
+   {% data variables.product.prodname_copilot_short %} always leaves a "Comment" review, not an "Approve" review or a "Request changes" review. This means that {% data variables.product.prodname_copilot_short %}'s reviews do not count toward required approvals for the pull request, and {% data variables.product.prodname_copilot_short %}'s reviews will not block merging changes. For more details, see [AUTOTITLE](/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/approving-a-pull-request-with-required-reviews).
 
 1. {% data variables.product.prodname_copilot_short %}'s review comments behave like review comments from humans. You can add reactions to them, comment on them, resolve them and hide them.
 

content/copilot/using-github-copilot/coding-agent/about-assigning-tasks-to-copilot.md

@@ -72,7 +72,7 @@ To mitigate this risk, {% data variables.product.github %}:
 * **Limits the permissions in access tokens used by Copilot.** Pushes are only allowed to branches beginning with `copilot/`. {% data variables.product.prodname_copilot_short %} cannot push to the `main` or `master` branches.
 * **Limits {% data variables.product.prodname_copilot_short %}'s credentials.** {% data variables.product.prodname_copilot_short %} can only perform simple push operations. It cannot directly run `git push` or other Git commands.
 * **Restricts {% data variables.product.prodname_actions %} workflow runs.** Workflows are not triggered until {% data variables.product.prodname_copilot_short %}'s code is reviewed and a user with write access to the repo clicks the **Approve and run workflows** button. See [AUTOTITLE](/copilot/using-github-copilot/coding-agent/using-copilot-to-work-on-an-issue#allowing-github-actions-workflows-to-run-when-copilot-pushes-changes).
-* **Prevents the user who asked {% data variables.product.prodname_copilot_short %} to create a pull request from approving it.** This maintains the expected controls in the "Required reviews" rule and branch protection. See [AUTOTITLE](/repositories/configuring-branches-and-merges-in-your-repository/managing-rulesets/available-rules-for-rulesets).
+* **Prevents the user who asked {% data variables.product.prodname_copilot_short %} to create a pull request from approving it.** This maintains the expected controls in the "Required approvals" rule and branch protection. See [AUTOTITLE](/repositories/configuring-branches-and-merges-in-your-repository/managing-rulesets/available-rules-for-rulesets).
 
 ### Risk: {% data variables.product.prodname_copilot_short %} has access to sensitive information
 

content/copilot/using-github-copilot/coding-agent/reviewing-a-pull-request-created-by-copilot.md

@@ -19,7 +19,7 @@ redirect_from:
 After {% data variables.product.prodname_copilot_short %} has finished working on a coding task, and has requested a pull request review from you, you should review {% data variables.product.prodname_copilot_short %}'s work thoroughly before merging the pull request.
 
 > [!IMPORTANT]
-> If you have the "Required reviews" rule or branch protection enabled, you won't be able to approve pull requests that you initiated by assigning the related issue to {% data variables.product.prodname_copilot_short %}. Someone else must approve the pull request before it can be merged.
+> If you have the "Required approvals" rule or branch protection enabled, you won't be able to approve pull requests that you initiated by assigning the related issue to {% data variables.product.prodname_copilot_short %}. Someone else must approve the pull request before it can be merged.
 
 You can ask {% data variables.product.prodname_copilot_short %} to make changes using pull request comments, or you can check out {% data variables.product.prodname_copilot_short %}'s branch and make changes yourself.