puppet-heat 28.0.0 release

meta:version: 28.0.0
meta:team: Puppet OpenStack
meta:diff-start: -
meta:series: gazpacho
meta:branch: stable/2026.1
meta:release-type: release
meta:pypi: no
meta:first: yes
meta:release:Author: Takashi Kajinami <kajinamit@oss.nttdata.com>
meta:release:Commit: Takashi Kajinami <kajinamit@oss.nttdata.com>
meta:release:Change-Id: I30d9289289519cedbcf2c10e3422a44a454355e7
meta:release:Workflow+1: Elod Illes <elod.illes@est.tech>
meta:release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta:release:Code-Review+2: Thierry Carrez <thierry@openstack.org>