Merge tag '2.0.0' into debian/zed

oslo.upgradecheck 2.0.0 release

meta:version: 2.0.0
meta:diff-start: -
meta:series: zed
meta:release-type: release
meta:pypi: yes
meta:first: yes
meta:release:Author: Elod Illes <elod.illes@est.tech>
meta:release:Commit: Elod Illes <elod.illes@est.tech>
meta:release:Change-Id: Ie58e7114dde35568fb4fd3eb66f3c1d615352207
meta:release:Code-Review+2: Hervé Beraud <herveberaud.pro@gmail.com>
meta:release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta:release:Workflow+1: Elod Illes <elod.illes@est.tech>

.zuul.yaml

 - project:
     templates:
       - publish-openstack-docs-pti
-      - openstack-python3-yoga-jobs
+      - openstack-python3-zed-jobs
       - check-requirements
       - release-notes-jobs-python3
       - periodic-stable-jobs

releasenotes/source/index.rst

@@ -5,6 +5,7 @@ oslo.upgradecheck Release Notes
    :maxdepth: 1
 
    unreleased
+   yoga
    xena
    wallaby
    victoria

releasenotes/source/yoga.rst

+=========================
+Yoga Series Release Notes
+=========================
+
+.. release-notes::
+   :branch: stable/yoga

setup.cfg

 [metadata]
 name = oslo.upgradecheck
 summary = Common code for writing OpenStack upgrade checks
-description-file =
+description_file =
     README.rst
 author = OpenStack
-author-email = openstack-discuss@lists.openstack.org
-home-page = http://launchpad.net/oslo
-python-requires = >=3.6
+author_email = openstack-discuss@lists.openstack.org
+home_page = http://launchpad.net/oslo
+python_requires = >=3.8
 classifier =
     Environment :: OpenStack
     Intended Audience :: Information Technology
@@ -15,9 +15,8 @@ classifier =
     Operating System :: POSIX :: Linux
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
-    Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: Implementation :: CPython