sysutils/reggae: Update to 0.1.16

From ChangeLog: https://github.com/cbsd/reggae/releases/tag/0.1.16

• Add PF helper script
• Pass SYSPKG to test script
• Add deployment helpers
• Allow target override
• Firewall configuration improvements
• Pass IPv6 ICMP in PF
• Devel depends on init

PR: 249517
Submitted by: meka@tilda.center