Update to 1.10.99.12

Changes from pkg 1.10.99.11 to 1.10.99.12

• use /usr/bin/uname to determine of the ABI
• Add 3 new aliases:
  • rall-depends: showing depenencies of a non installed package
  • rcomment: showing only the comment of a non installed package
  • rdesc: showing only the description of a non installed package
• switch to cirrus-ci
• improve portability on linux
• simplify code to create the repository
• close stdin when running scripts
• update bundled libucl to latest version
• remove backward compat (pkg_*) in periodic scripts
• always use anticongersion on periodic scripts
• Prevent SIGSEGV with 'pkg version' with packaged base
• Fix issue with recent lld