sysutils/reggae: Update to 0.2.8

ChangeLog: https://github.com/cbsd/reggae/releases/tag/0.2.8

• Always use configured interface
• Remove cbsd0 description
• Force bootstrap of package manager
• master-init.sh: get base in extra step before jail create
• Add command to apply PKG_PROXY setting

PR: 268847
Reported by: meka@tilda.center (maintainer)