Includes the following changes to kernel validation:
- add required options: CGROUP_PIDS, FAIR_GROUP_SCHED
- add optional options: CFS_BANDWIDTH, CGROUP_HUGETLB
Version v1.1.0 added support for validating cgroups v2.
v1.1.1 includes a fix for a broken cross-build on !linux.
v1.1.2 reverted a breaking API change with the introduction of CgroupsSpec.