nsjail-2.9-bp152.1.9

- Update to version 2.9. Notable changes:
  * improved configs for some tools
  * changed default RLIMIT_AS to 4GiB
  * rudimentary support for cgroups2
  * added option to ignore rlimits
  * fixed setcwd() w/o CLONE_NEWNS

- Disable lto for building nsjail.
- Run spec-cleaner, install the license file.

- Fixed ExclusiveArch: to correct architecture

- Ensure build only on 64 bit machines

- Retire old $RPM_* shell vars and %__-type macro indirections.

- Update to version 2.8
  * ability to specify noexec/nodev/nosuid in mounts
  * added --macvlan_vs_ma option
  * better example configs
  * changed behavior of --env - empty var means passing it from parent
- Fixed requires for libnl3
- Removed format-truncation.patch, string handling was reworked

- Added format-truncation.patch to prevent truncation warnings

- Initial import of version 2.7