Run "make freeze-requirements"
Run "make freeze-requirements"

Most of these are due to dependency changes in celery / kombu:

-boto==2.49.0
https://github.com/celery/celery/commit/9b2a1720781930f8eed87bce2c3396e40a99529e

+cached-property==1.5.2
https://github.com/celery/kombu/commit/560518287ab672fff3ca98107fb6bded456f6a01

+click-didyoumean==0.3.0
+click-plugins==1.1.1
+click-repl==0.2.0
https://github.com/celery/celery/blame/f462a437e3371acb867e94b52c2595b6d0a742d8/requirements/default.txt

+pycurl==7.43.0.5
https://github.com/celery/celery/blame/59d88326b8caa84083c01efb3a3983b3332853e9/requirements/extras/sqs.txt

+vine==5.0.0
https://github.com/celery/celery/commit/f6c3b3313f8d43b0919a09dae9107a8c0a09aa6d

I'm not sure about the following, but neither are critical so
I don't think it's worth tracking down where they came from.

+prompt-toolkit==3.0.21
+wcwidth==0.2.5

alphagov/notifications-api,alphagov/notifications-api