Update zope.component from 4.3.0 to 4.4.0

Author: pyup-bot

{{cookiecutter.project_slug}}/requirements.txt

@@ -49,6 +49,6 @@ splinter==0.7.5
 tox==2.8.2
 translationstring==1.3
 virtualenv==15.1.0
-zope.component==4.3.0
+zope.component==4.4.0
 zope.event==4.2.0
 zope.interface==4.4.0