updated axe-core to 3.0.0

Author: kimberlythegeek

README.rst

@@ -3,7 +3,7 @@ axe-selenium-python
 
 axe-selenium-python integrates aXe and selenium to enable automated web accessibility testing.
 
-*This version of axe-selenium-python is using axe-core@2.6.1.*
+*This version of axe-selenium-python is using axe-core@3.0.0.*
 
 .. image:: https://img.shields.io/badge/license-MPL%202.0-blue.svg?style=for-the-badge
    :target: https://github.com/kimberlythegeek/axe-selenium-python/blob/master/LICENSE.txt