Merge pull request #2207 from Haarolean/fix-copilot-user

Fix `getUser()` 404 for bot users in PR reviews

Author: bitwiseman

src/main/java/org/kohsuke/github/GHPullRequestReview.java

@@ -165,10 +165,7 @@ public Instant getSubmittedAt() {
      *             the io exception
      */
     public GHUser getUser() throws IOException {
-        if (user != null) {
-            return owner.root().getUser(user.getLogin());
-        }
-        return null;
+        return owner.root().intern(user);
     }
 
     /**

src/main/java/org/kohsuke/github/GHPullRequestReviewComment.java

@@ -352,7 +352,7 @@ public Side getStartSide() {
      *             the io exception
      */
     public GHUser getUser() throws IOException {
-        return owner.root().getUser(user.getLogin());
+        return owner.root().intern(user);
     }
 
     /**