ipatests: bump PR-CI rawhide template

Based on compose `20220413.n.0`.

Issue: freeipa/freeipa-pr-ci#457

Signed-off-by: Armando Neto <abiagion@redhat.com>
Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>

ipatests/prci_definitions/nightly_rawhide.yaml

@@ -51,7 +51,7 @@ jobs:
         git_refspec: '{git_refspec}'
         template: &ci-master-frawhide
           name: freeipa/ci-master-frawhide
-          version: 0.5.2
+          version: 0.6.0
         timeout: 1800
         topology: *build