Always specify checksum algorithm on uploads in S3Client

[MrCreosote]

Unlike Minio, CEPH will not store the checksum unless the algorithm is explicitly specified.

Works with both Minio and CEPH

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 53.29%. Comparing base (47de98d) to head (9fac477).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #575   +/-   ##
=======================================
  Coverage   53.29%   53.29%           
=======================================
  Files          69       69           
  Lines        5965     5965           
=======================================
  Hits         3179     3179           
  Misses       2786     2786           

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