fix(hmsl): # Fix option description for full-hashes

[pierrelalanne]

This will be autosynced in the doc. Replicating the changes manually before the next release.

[codecov-commenter]

Codecov Report

Merging #786 (2a4b9a6) into main (8b9539e) will decrease coverage by 0.58%. Report is 12 commits behind head on main. The diff coverage is n/a.

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@@            Coverage Diff             @@
##             main     #786      +/-   ##
==========================================
- Coverage   92.25%   91.68%   -0.58%     
==========================================
  Files         154      154              
  Lines        6291     6348      +57     
==========================================
+ Hits         5804     5820      +16     
- Misses        487      528      +41     

Flag	Coverage Δ
unittests	91.68% <ø> (-0.58%)	:arrow_down:

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Files	Coverage Δ
ggshield/cmd/hmsl/hmsl_common_options.py	100.00% <ø> (ø)

... and 5 files with indirect coverage changes