Modify stale PR message for clarity on merging (#57660)

Author: felicitymay

.github/workflows/stale.yml

@@ -24,7 +24,7 @@ jobs:
       - uses: actions/stale@3a9db7e6a41a89f618792c92c0e97cc736e1b13f # v10.0.0
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-          stale-pr-message: "It looks as if this pull request has been inactive for 30 days. We want to check in with you to see if you plan to continue working on it. If you do, please add a comment to let us know. If we don't hear from you, we will close this pull request after 14 days."
+          stale-pr-message: "It looks as if this pull request has been inactive for 30 days. We want to check in with you to see if you plan to continue working on it. If you do, please add a comment to let us know. If we don't hear from you, we will close this pull request after 14 days. If the PR has been reviewed by a writer and you think it's ready to merge, drop into [#docs-content](https://github-grid.enterprise.slack.com/archives/C0E9DK082) and ask us to merge it."
           days-before-stale: 30
           days-before-close: 14
           stale-pr-label: 'stale'