bump mentionable user count (#2091)

rnystrom · web-flow · commit 70f87a88041b · 2018-08-11T15:20:40.000-04:00
diff --git a/gql/IssueOrPullRequest.graphql b/gql/IssueOrPullRequest.graphql
@@ -6,7 +6,7 @@ query IssueOrPullRequest($owner: String!, $repo: String!, $number: Int!, $page_s
     mergeCommitAllowed
     rebaseMergeAllowed
     squashMergeAllowed
-    mentionableUsers(first: 20) {
+    mentionableUsers(first: 50) {
       nodes {
         avatarUrl
         login
