Bump amqp from 2.5.0 to 2.5.2 in /requirements (#5446)

Bumps [amqp](https://github.com/celery/py-amqp) from 2.5.0 to 2.5.2.
- [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/2.5.0...2.5.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

requirements/common.txt

@@ -84,7 +84,7 @@ pytz==2019.2 \
     --hash=sha256:26c0b32e437e54a18161324a2fca3c4b9846b74a8dccddd843113109e1116b32
 
 # Required by kombu
-amqp==2.5.0 --hash=sha256:aa4409446139676943a2eaa27d5f58caf750f4ca5a89f888c452afd86be6a67d --hash=sha256:cbb6f87d53cac612a594f982b717cc1c54c6a1e17943a0a0d32dc6cc9e2120c8
+amqp==2.5.2 --hash=sha256:6e649ca13a7df3faacdc8bbb280aa9a6602d22fd9d545336077e573a1f4ff3b8 --hash=sha256:77f1aef9410698d20eaeac5b73a87817365f457a507d82edf292e12cbb83b08d
 
 # Required by amqp
 vine==1.3.0 --hash=sha256:ea4947cc56d1fd6f2095c8d543ee25dad966f78692528e68b4fada11ba3f98af --hash=sha256:133ee6d7a9016f177ddeaf191c1f58421a1dcc6ee9a42c58b34bed40e1d2cd87