chore: prep 3.0.0b1 release

Author: tseaver

CHANGES.rst

@@ -1,7 +1,7 @@
 repoze.who Changelog
 ====================
 
-3.0.0b1 (unreleased)
+3.0.0b1 (2023-01-16)
 --------------------
 
 - Add support for Python 3.9, 3.10 and 3.11.

setup.py

@@ -30,7 +30,7 @@ def _read_file(filename):
 docs_extras = tests_require + ['Sphinx', 'repoze.sphinx.autointerface']
 
 setup(name='repoze.who',
-      version='2.4.2.dev0',
+      version='3.0.0b1',
       description=('repoze.who is an identification and authentication '
                    'framework for WSGI.'),
       long_description='\n\n'.join([README, CHANGES]),