Update readme (#571)

Author: Sing, Tran Lu Sinh

README.rst

@@ -6,7 +6,7 @@ Looking for sponsor for working on django 1.11 to 2.2 support https://github.com
 
 .. image:: https://user-images.githubusercontent.com/26336/59113881-917c5180-890b-11e9-9863-f5a98d0e235e.png
 
-:Version: 3.2.2
+:Version: 3.3.0
 :Web: http://celeryproject.org/
 :Download: http://pypi.python.org/pypi/django-celery/
 :Source: http://github.com/celery/django-celery/

docs/introduction.rst

@@ -4,7 +4,7 @@
 
 .. image:: http://cloud.github.com/downloads/celery/celery/celery_128.png
 
-:Version: 3.2.0
+:Version: 3.3.0
 :Web: http://celeryproject.org/
 :Download: http://pypi.python.org/pypi/django-celery/
 :Source: http://github.com/celery/django-celery/