add spdlog to the deps of mockimpl

[wxyucs]

fixes: #774

[LHT129]

LGTM

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

❌ Your project check has failed because the head coverage (88.81%) is below the target coverage (90.00%). You can increase the head coverage or adjust the target coverage.

@@            Coverage Diff             @@
##             main     #775      +/-   ##
==========================================
+ Coverage   88.75%   88.81%   +0.06%     
==========================================
  Files         198      198              
  Lines       12529    12529              
==========================================
+ Hits        11120    11128       +8     
+ Misses       1409     1401       -8     

Flag	Coverage Δ
cpp	88.81% <ø> (+0.06%)	⬆️

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Components	Coverage Δ
common	92.51% <ø> (ø)
datacell	91.71% <ø> (+0.03%)	⬆️
index	88.74% <ø> (+0.09%)	⬆️
simd	100.00% <ø> (ø)

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