refactor(publisher-s3): use AWS-SDK v3

[malept]

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Summarize your changes:

Also fixes the credentials bug since this PR will cause a merge conflict with it.

Fixes #2226.
Closes #2258.

[codecov]

Codecov Report

Merging #2487 (3bfdc72) into master (5c99da4) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2487   +/-   ##
=======================================
  Coverage   75.29%   75.29%           
=======================================
  Files          91       91           
  Lines        2364     2364           
  Branches      446      446           
=======================================
  Hits         1780     1780           
  Misses        473      473           
  Partials      111      111           

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