make gprobe look for zot6 only


(cherry picked from commit 1d3437aa)
5 jobs for dev in 5 minutes and 26 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Test
passed php7.3_mariadb10.2 #1210720

00:02:45

passed php7.3_mariadb10.3 #1210721

00:03:27

passed php7.3_mysql5.7 #1210718

00:02:49

passed php7.3_mysql8 #1210719

00:04:06

passed php7.3_postgres11 #1210722

00:03:40