stacd: add authentication support (DHCHAP)

[martin-belanger]

This requires some changes in libnvme. Ref: linux-nvme/libnvme#970

[codecov]

Codecov Report

Attention: Patch coverage is 41.66667% with 7 lines in your changes missing coverage. Please review.

Project coverage is 58.06%. Comparing base (4c5aad3) to head (1efaec9).
Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
staslib/ctrl.py	41.66%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #441      +/-   ##
==========================================
- Coverage   58.12%   58.06%   -0.06%     
==========================================
  Files          16       16              
  Lines        2629     2635       +6     
==========================================
+ Hits         1528     1530       +2     
- Misses       1101     1105       +4     

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