Add blas compile def to highs library

[filikat]

HIGHS_BLAS_COMPILE_DEFINITION is defined only for the highs_extras library and not for the highs library, but it is needed in both.

[filikat]

@galabovaa I need to define HIGHS_BLAS_COMPILE_DEFINITION for both libraries, but there's something going wrong for the python wheels. Could you have a look?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.04%. Comparing base (1c67683) to head (4b250d7).
⚠️ Report is 1 commits behind head on latest.

Additional details and impacted files

@@           Coverage Diff           @@
##           latest    #3077   +/-   ##
=======================================
  Coverage   73.04%   73.04%           
=======================================
  Files         426      426           
  Lines      102324   102324           
  Branches    16460    16459    -1     
=======================================
  Hits        74747    74747           
  Misses      27301    27301           
  Partials      276      276           

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