Merge pull request #1365 from infinito-nexus/fix/sys-os/tasks-and-centos-pin

fix(sys-os): add tasks/main.yml and mark the CentOS stream pin

roles/sys-os/meta/services.yml

@@ -20,4 +20,5 @@ fedora:
   follow: latest
 centos:
   image: quay.io/centos/centos
+  # nocheck: docker-version -- CentOS Stream tags carry no number the updater can order
   version: stream10

roles/sys-os/tasks/main.yml

@@ -0,0 +1 @@
+---