Create re-request-review reusable and use it in appropriate places

content/github/collaborating-with-issues-and-pull-requests/about-pull-request-reviews.md

@@ -49,6 +49,10 @@ For more information, see "[About required reviews for pull requests](/articles/
 
 {% endtip %}
 
+### Re-requesting a review
+
+{% data reusables.pull_requests.re-request-review %}
+
 ### Further reading
 
 - "[Reviewing proposed changes in a pull request](/articles/reviewing-proposed-changes-in-a-pull-request)"

content/github/collaborating-with-issues-and-pull-requests/incorporating-feedback-in-your-pull-request.md

@@ -28,6 +28,10 @@ Each person who suggested a change included in the commit will be a co-author of
 5. Click **Commit changes.**
 ![Commit changes button](/assets/images/help/pull_requests/commit-changes-button.png)
 
+### Re-requesting a review
+
+{% data reusables.pull_requests.re-request-review %}
+
 ### Opening an issue for an out-of-scope suggestion
 
 If someone suggests changes to your pull request and the changes are out of the pull request's scope, you can open a new issue to track the feedback. For more information, see "[Opening an issue from a comment](/github/managing-your-work-on-github/opening-an-issue-from-a-comment)."

data/reusables/pull_requests/re-request-review.md

@@ -0,0 +1,2 @@
+You can re-request a review after you've made substantial changes to your pull request.
+Navigate to your pull request, in the right sidebar click on the {% octicon "sync" aria-label="The sync icon" %} icon to re-request a review.