update fog-aws 1.4 -> 2.0
What does this MR do?
Update fog-aws 1.4 -> 2.0 Only breaking change is drop in support for ruby < 2.0
https://github.com/fog/fog-aws/blob/master/CHANGELOG.md
Are there points in the code the reviewer needs to double check?
Why was this MR needed?
Debian already has fog-aws 2.0 and it will help in packaging.
Screenshots (if relevant)
Does this MR meet the acceptance criteria?
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Changelog entry added, if necessary -
Documentation created/updated -
API support added -
Tests added for this feature/bug - Review
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Has been reviewed by UX -
Has been reviewed by Frontend -
Has been reviewed by Backend -
Has been reviewed by Database
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Conform by the merge request performance guides -
Conform by the style guides -
Squashed related commits together -
Internationalization required/considered -
End-to-end tests pass ( package-qamanual pipeline job)