devel/ace+tao-doc: Update from 5.5.0 to 6.4.3

[joneum]

Summary

• devel/ace+tao-doc: Update from 5.5.0 to 6.4.3
• Pass MAINTAINER'ship to submitter

PR: 220040
Submitted by: Jov (amutu at amutu.com) (maintainer)
Approved by: xxx (mentor)
#Differential Revision: https://reviews.freebsd.org/Dxxxxx

Test Plan

~/dev/ports/devel/ace+tao-doc % portlint -AC
WARN: Makefile: for new port, make $FreeBSD$ tag in comment section empty, to make SVN happy.
WARN: Makefile: using hyphen in PORTNAME. consider using PKGNAMEPREFIX and/or PKGNAMESUFFIX.
WARN: Makefile: Consider defining LICENSE.
0 fatal errors and 3 warnings found.

poudriere testport:

10amd64
10i386
11amd64
11i386
12.0-CURRENT r318899 amd64
12.0-CURRENT r318400 i386