chore(ci): Change coverage reporter to lcov

[KSDaemon]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.56%. Comparing base (2e8126d) to head (c974c1a).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #9492      +/-   ##
==========================================
- Coverage   83.91%   80.56%   -3.35%     
==========================================
  Files         229      382     +153     
  Lines       83681    96654   +12973     
  Branches        0     2192    +2192     
==========================================
+ Hits        70218    77866    +7648     
- Misses      13463    18477    +5014     
- Partials        0      311     +311     

Flag	Coverage Δ
cube-backend	58.98% <ø> (?)
cubesql	83.90% <ø> (-0.01%)	⬇️

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