PlasmaZones 1.5.9

Changed

• Release pipeline now generates Debian, RPM, and GitHub release notes from CHANGELOG.md

Fixed

• Missing pacman hook files for sycoca cache refresh in Arch package
• POSIX awk compatibility in changelog generator (mawk on Ubuntu)
• AUR publish: mount PKGBUILD read-only and generate .SRCINFO via stdout to avoid docker chown breaking host git ownership