temporary disable gpg sign

[wy65701436]

to avoid blocking the rc, let's temporary disable the gpg sign for development build since the key was expired at Oct 21. I will fix it after RC and revert the code change

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[MinerYang]

lgtm

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.08%. Comparing base (c8c11b4) to head (a0a1189).
Report is 303 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main   #21085       +/-   ##
===========================================
+ Coverage   45.36%   66.08%   +20.72%     
===========================================
  Files         244     1049      +805     
  Lines       13333   114649   +101316     
  Branches     2719     2867      +148     
===========================================
+ Hits         6049    75770    +69721     
- Misses       6983    34735    +27752     
- Partials      301     4144     +3843     

Flag	Coverage Δ
unittests	66.08% <ø> (+20.72%)	⬆️

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