MFH: r562140 r565958

ports-mgmt/pkg: Update to 1.16.2

Changes from 1.16.1 to 1.16.2

• libpkg: add a snap(shot) version prefix
• libpkg: only upgrade installed packages with pattern matches
• Document pkg-lock(8) accepts a list of packages

Approved by: bapt (implicit)

ports-mgmt/pkg: Update to 1.16.3

• lua: filecmp: Fix for symlink

PR: 253292, 250439
Approved by: bapt (implicit)