Incrementing version to v3.3.1

Author: wolph

python_utils/__about__.py

@@ -6,4 +6,4 @@
     'with the standard Python install')
 __url__: str = 'https://github.com/WoLpH/python-utils'
 # Omit type info due to automatic versioning script
-__version__ = '3.3.0'
+__version__ = '3.3.1'