ports-mgmt/pkg: update to 2.2.0

Major changes:

• Fix new solver over splitting upgrades
• Fix multi repository priority decision during installation
• Use a cache file during pkg_add execution for provides/requires
• Lots of internal rework to improve performances on low ressources machines
• Update bundled code to their latest version

Previous changes:

• Fix symbols collision between libmd and libcrypto

PR: 287293
Exp-run: antoine
(cherry picked from commit 8e88e3ab996e5b9e17b976af01a8c0f9798516cf)
(cherry picked from commit e70399c21b1a7e59ec5b8ed30ae7dc871cb08771)
(cherry picked from commit ac506e2f50a644e2ba552af7e4560f91368fe063)