Release 3.0.1 (#2561)

* Bump version
* Update release notes
* Return 3.6 to supported versions in setup.py

docs/releases.rst

@@ -3,6 +3,16 @@
 Release notes
 =============
 
+Version 3.0.1
+-------------
+
+**Bugfixes**
+
+- Pass proper role name to an ``on_role_change`` callback script'. (Alexander Kukushkin, Polina Bungina)
+
+  Patroni used to erroneously pass ``promoted`` role to an ``on_role_change`` callback script on promotion. The passed role name changed back to ``master``. This regression was introduced in 3.0.0.
+
+
 Version 3.0.0
 -------------
 

patroni/version.py

@@ -1 +1 @@
-__version__ = '3.0.0'
+__version__ = '3.0.1'

setup.py

@@ -42,6 +42,7 @@ CLASSIFIERS = [
     'Operating System :: Microsoft :: Windows',
     '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',