Fix datarace in gitea_uploader.go (#19409)

Author: chavacava

services/migrations/gitea_uploader.go

@@ -754,13 +754,13 @@ func (g *GiteaLocalUploader) CreateReviews(reviews ...*base.Review) error {
 				_ = reader.Close()
 				_ = writer.Close()
 			}()
-			go func() {
+			go func(comment *base.ReviewComment) {
 				if err := git.GetRepoRawDiffForFile(g.gitRepo, pr.MergeBase, headCommitID, git.RawDiffNormal, comment.TreePath, writer); err != nil {
 					// We should ignore the error since the commit maybe removed when force push to the pull request
 					log.Warn("GetRepoRawDiffForFile failed when migrating [%s, %s, %s, %s]: %v", g.gitRepo.Path, pr.MergeBase, headCommitID, comment.TreePath, err)
 				}
 				_ = writer.Close()
-			}()
+			}(comment)
 
 			patch, _ = git.CutDiffAroundLine(reader, int64((&models.Comment{Line: int64(line + comment.Position - 1)}).UnsignedLine()), line < 0, setting.UI.CodeCommentLines)