Run gopls modernize on codebase (#34751)

Recent modernize fixes:
https://github.com/golang/tools/commits/master/gopls/internal/analysis/modernize

models/activities/repo_activity.go

@@ -139,10 +139,7 @@ func GetActivityStatsTopAuthors(ctx context.Context, repo *repo_model.Repository
 		return v[i].Commits > v[j].Commits
 	})
 
-	cnt := count
-	if cnt > len(v) {
-		cnt = len(v)
-	}
+	cnt := min(count, len(v))
 
 	return v[:cnt], nil
 }