Fix #815: Bumped dependencies to latest versions

api/requirements/base.txt

 # Bleeding edge Django
-django>=2.1,<2.2
+django>=2.2.1,<2.3
 
 # Configuration
 django-environ>=0.4,<0.5
@@ -9,65 +9,63 @@ Pillow>=5.4,<5.5
 
 # For user registration, either via email or social
 # Well-built with regular release cycles!
-django-allauth>=0.36,<0.37
+django-allauth>=0.39,<0.40
 
 
 # Python-PostgreSQL Database Adapter
-psycopg2-binary>=2.7,<=2.8
+psycopg2-binary>=2.8,<=2.9
 
 # Time zones support
-pytz==2018.9
+pytz==2019.1
 
 # Redis support
 django-redis>=4.10,<4.11
-redis>=3.0,<3.1
-kombu>=4.2.2,<4.3
+redis>=3.2,<3.3
+kombu>=4.5,<4.6
 
-celery>=4.2,<4.3
+celery>=4.3,<4.4
 
 
 # Your custom requirements go here
-django-cors-headers>=2.1,<2.2
+django-cors-headers>=2.5.3,<2.6
 musicbrainzngs==0.6
 djangorestframework>=3.9,<3.10
 djangorestframework-jwt>=1.11,<1.12
 pendulum>=2,<3
 persisting-theory>=0.2,<0.3
-django-versatileimagefield>=1.9,<1.10
-django-filter>=2.0,<2.1
+django-versatileimagefield>=1.10,<1.11
+django-filter>=2.1,<2.2
 django-rest-auth>=0.9,<0.10
-Markdown>=2.6,<2.7
-ipython>=6,<7
+ipython>=7,<8
 mutagen>=1.42,<1.43
 
 
-django-taggit>=0.23,<0.24
+django-taggit>=0.24,<0.25
 pymemoize==1.0.3
 
 django-dynamic-preferences>=1.7,<1.8
-raven>=6.5,<7
+raven>=6.10,<7
 python-magic==0.4.15
-ffmpeg-python==0.1.10
 # XXX: until https://github.com/django/channels/issues/1240 is fixed
 channels==2.1.6
 channels_redis>=2.3,<2.4
-daphne>=2.2,<2.3
+daphne>=2.3,<2.4
 
 cryptography>=2,<3
 # requests-http-signature==0.0.3
 # clone until the branch is merged and released upstream
 git+https://github.com/EliotBerriot/requests-http-signature.git@signature-header-support
-django-cleanup==2.1.0
+django-cleanup==3.2.0
 
 # for LDAP authentication
-python-ldap==3.1.0
+python-ldap==3.2.0
 django-auth-ldap==1.7.0
-pydub==0.23.0
+pydub==0.23.1
 
 pyld==1.0.4
 aiohttp==3.5.4
-autobahn>=19.3.2
+autobahn>=19.3.3
 
 django-oauth-toolkit==1.2
 django-storages==1.7.1
-boto3
+boto3<3

changes/changelog.d/815.enhancement

+Bumped dependencies to latest versions (#815)