Merge branch '1311-feedparser-requires-update-to-accomodate-python-3-9' into 'develop'

Resolve "feedparser requires update to accomodate Python 3.9"

Closes #1311

See merge request funkwhale/funkwhale!1272

api/requirements/base.txt

@@ -70,5 +70,5 @@ click~=7.1.0
 service_identity~=18.1.0
 markdown~=3.2.0
 bleach~=3.1.0
-feedparser==6.0.0b3
+feedparser~=6.0.0
 watchdog~=1.0.2