[requires.io] dependency update

requirements.txt

@@ -1,41 +1,41 @@
-beautifulsoup4==4.6.0
-contextlib2==0.5.5
-diff-match-patch==20121119
+beautifulsoup4==4.8.2
+contextlib2==0.6.0.post1
+diff-match-patch==20181111
 dj-database-url==0.5.0
 dj-static==0.0.6
-Django==2.0.13
-django-filter==2.0.0
-django-widget-tweaks==1.4.3
-django-debug-toolbar==1.9.1
-django-ical==1.4
-django-recaptcha==1.4.0
-django-registration-redux==2.4
-django-reversion==2.0.13
+Django==3.0.3
+django-filter==2.2.0
+django-widget-tweaks==1.4.5
+django-debug-toolbar==2.2
+django-ical==1.7.0
+django-recaptcha==2.0.6
+django-registration-redux==2.7
+django-reversion==3.0.5
 django-toolbelt==0.0.1
-premailer==3.2.0
+premailer==3.6.1
 git+git://github.com/jazzband/django-widget-tweaks.git@1.4.2
-gunicorn==19.8.1
-icalendar==4.0.1
-lxml==4.2.1
-Markdown==2.6.11
-Pillow==6.2.0
-psycopg2==2.7.4
-Pygments==2.2.0
+gunicorn==20.0.4
+icalendar==4.0.4
+lxml==4.5.0
+Markdown==3.2
+Pillow==7.0.0
+psycopg2==2.8.4
+Pygments==2.5.2
 PyPDF2==1.26.0
-python-dateutil==2.7.3
-pytz==2018.4
-raven==6.8.0
-reportlab==3.4.0
-selenium==3.12.0
-simplejson==3.15.0
-six==1.11.0
-sqlparse==0.2.4
+python-dateutil==2.8.1
+pytz==2019.3
+raven==6.10.0
+reportlab==3.5.34
+selenium==3.141.0
+simplejson==3.17.0
+six==1.14.0
+sqlparse==0.3.0
 static3==0.7.0
 svg2rlg==0.3
 yolk==0.4.3
-whitenoise==4.1.2
-z3c.rml==3.5.0
-zope.event==4.3.0
-zope.interface==4.5.0
-zope.schema==4.5.0
+whitenoise==5.0.1
+z3c.rml==3.9.1
+zope.event==4.4
+zope.interface==4.7.1
+zope.schema==4.9.3
 pypom==2.2.0