erp5_hal_json_style: consider count(*) in regex

6 jobs for consider_only_function
Status Job ID Name Coverage
  External
running ERP5.CodingStyleTest-Master

36360:26:32

running ERP5.PerformanceTest-Master

36360:25:21

running ERP5.UnitTest-Master

36360:26:01

running ERP5.UnitTest-Master.Medusa

36360:26:29

running SlapOS.Eggs.UnitTest-Master.Python2

36360:25:00

running SlapOS.Eggs.UnitTest-Master.Python3

36360:25:33