Merge branch '643-upgrade-dependencies' into 'develop'

Fix #643: Upgraded core dependencies to fix websocket/messaging issues and possible memory leaks

Closes #643

See merge request !505

api/requirements/base.txt

@@ -56,10 +56,10 @@ pyacoustid>=1.1.5,<1.2
 raven>=6.5,<7
 python-magic==0.4.15
 ffmpeg-python==0.1.10
-channels>=2,<2.1
-channels_redis>=2.1,<2.2
+channels>=2.1,<2.2
+channels_redis>=2.3,<2.4
+daphne>=2.2,<2.3
 
-daphne==2.0.4
 cryptography>=2,<3
 # requests-http-signature==0.0.3
 # clone until the branch is merged and released upstream

changes/changelog.d/643.bugfix

+Upgraded core dependencies to fix websocket/messaging issues and possible memory leaks (#643)