Prepare for release

Author: sbidoul

README.rst

@@ -221,7 +221,7 @@ To work around API limitation, you must first generate a
 Changes
 =======
 
-2.x.y (unreleased)
+3.0.0 (2022-09-20)
 ------------------
 
 * When updating remotes the log message now states ``Updating remote`` instead of ``Remote remote``

setup.py

@@ -21,6 +21,7 @@
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         "Topic :: Utilities",
         "Topic :: System :: Shells",
     ],