Bump amqp from 2.4.2 to 2.5.0 (#5016)

Bumps [amqp](https://github.com/celery/py-amqp) from 2.4.2 to 2.5.0.
- [Release notes](https://github.com/celery/py-amqp/releases)
- [Changelog](https://github.com/celery/py-amqp/blob/master/Changelog)
- [Commits](https://github.com/celery/py-amqp/compare/v2.4.2...2.5.0)

requirements/common.txt

@@ -84,7 +84,7 @@ pytz==2019.1 \
     --hash=sha256:d747dd3d23d77ef44c6a3526e274af6efeb0a6f1afd5a69ba4d5be4098c8e141
 
 # Required by kombu
-amqp==2.4.2 --hash=sha256:35a3b5006ca00b21aaeec8ceea07130f07b902dd61bfe42815039835f962f5f1 --hash=sha256:043beb485774ca69718a35602089e524f87168268f0d1ae115f28b88d27f92d7
+amqp==2.5.0 --hash=sha256:aa4409446139676943a2eaa27d5f58caf750f4ca5a89f888c452afd86be6a67d --hash=sha256:cbb6f87d53cac612a594f982b717cc1c54c6a1e17943a0a0d32dc6cc9e2120c8
 
 # Required by amqp
 vine==1.3.0 --hash=sha256:ea4947cc56d1fd6f2095c8d543ee25dad966f78692528e68b4fada11ba3f98af --hash=sha256:133ee6d7a9016f177ddeaf191c1f58421a1dcc6ee9a42c58b34bed40e1d2cd87