security/openbao: Update 2.6.0 => 2.6.1
Changelog:
https://github.com/openbao/openbao/releases/tag/v2.6.1
PR: 297120
Reported by: jake@metalrip.com (maintainer)
Approved by: osa, vvd (Mentors, implicit)
MFH: 2026Q3
(cherry picked from commit 8bd1e3659f1084b131be11d06adcad1c1c022156)