security/openbao: New port: open source, community-driven fork of Vault

OpenBao exists to provide a software solution to manage, store, and
distribute sensitive data including secrets, certificates, and keys.
The OpenBao community intends to provide this software under an
OSI-approved open-source license, led by a community run under open
governance principles.

https://openbao.org
https://github.com/openbao/openbao

PR: 280619