Bump fog-aws to v3.5.2

This will make it possible for Oracle Cloud to work with S3 by disabling
Signature V4 streaming (https://github.com/fog/fog-aws/issues/523).

Full CHANGELOG:
https://github.com/fog/fog-aws/blob/master/CHANGELOG.md

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/63041