Increase SQL CPUs in PR pipeline

[SergeyGaluzo]

Use GP_Gen5_8 for SQL databases instead of GP_Gen5_4 based on this

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.39%. Comparing base (0c27653) to head (95fcc57).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5575      +/-   ##
==========================================
+ Coverage   77.29%   77.39%   +0.09%     
==========================================
  Files         993      993              
  Lines       36418    36418              
  Branches     5518     5518              
==========================================
+ Hits        28151    28185      +34     
+ Misses       6907     6876      -31     
+ Partials     1360     1357       -3     

see 9 files with indirect coverage changes

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