ovsdbapp 2.15.0 release

meta:version: 2.15.0
meta:team: neutron
meta:diff-start: -
meta:series: gazpacho
meta:branch: master
meta:release-type: release
meta:pypi: no
meta:first: no
meta:release:Author: Rodolfo Alonso Hernandez <ralonsoh@redhat.com>
meta:release:Commit: Brian Haley <haleyb.dev@gmail.com>
meta:release:Change-Id: I0e9981f77304319a4015f954bb461c6a4aca69d7
meta:release:Code-Review+2: Thierry Carrez <thierry@openstack.org>
meta:release:Workflow+1: Thierry Carrez <thierry@openstack.org>
meta:release:Code-Review+1: Rodolfo Alonso <ralonsoh@redhat.com>
meta:release:Code-Review+1: Brian Haley <haleyb.dev@gmail.com>
meta:release:Code-Review+2: Elod Illes <elod.illes@est.tech>