Merge pull request #235829 from Homebrew/fix-replacement-creation

workflows/create-replacement-pr: fix review requests

Author: carlocab

.github/workflows/create-replacement-pr.yml

@@ -90,7 +90,8 @@ jobs:
               "repos/$GITHUB_REPOSITORY/pulls/$PR/reviews"
           )"
 
-          reviewers="$(jq --compact-output '[.[].user.login]' <<< "$review_data")"
+          reviewer_filter='[map(select(.author_association == "MEMBER")).[].user.login] | unique'
+          reviewers="$(jq --compact-output "$reviewer_filter" <<< "$review_data")"
           approved="$(jq --raw-output 'any(.[].state; .== "APPROVED")' <<< "$review_data")"
 
           # See https://github.com/octokit/octokit.net/issues/1763 for possible `mergeable_state` values.