Update django-cors-headers from 2.3.0 to 2.4.0 (#3803)
Update django-cors-headers from 2.3.0 to 2.4.0 (#3803)


KWierso/treeherder,KWierso/treeherder,KWierso/treeherder,edmorley/treeherder,edmorley/treeherder,KWierso/treeherder,edmorley/treeherder,edmorley/treeherder