Collect hostname in sys info

[asmacdo]

Fixes #126

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.71%. Comparing base (ebf7b17) to head (9c79bad).
Report is 17 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #153      +/-   ##
==========================================
- Coverage   95.56%   94.71%   -0.86%     
==========================================
  Files           2        2              
  Lines         451      454       +3     
  Branches       69       69              
==========================================
- Hits          431      430       -1     
- Misses         10       13       +3     
- Partials       10       11       +1     

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[yarikoptic]

There should be some rudimentary testing added somewhere that we do have such a field and it has a value (not None or empty string)