chore: make gnokey consistent with the changes applied to gnokeykc

[thehowl]

See #1531

[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (17b1303) 55.73% compared to head (a5c4409) 55.73%.
Report is 1 commits behind head on master.

Files	Patch %	Lines
gno.land/cmd/gnokey/main.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1554   +/-   ##
=======================================
  Coverage   55.73%   55.73%           
=======================================
  Files         435      435           
  Lines       65933    65931    -2     
=======================================
  Hits        36748    36748           
+ Misses      26303    26301    -2     
  Partials     2882     2882           

Flag	Coverage Δ
go-1.21.x	∅ <ø> (∅)
misc	∅ <ø> (∅)
misc-_test.genstd	∅ <ø> (∅)

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