Fixes Macos CI issue

[michaelgsharp]

Fixes the CI issues the mac builds and the libomp files.

[safern]

I don't have experience with this files, but seems reasonable.

[tarekgh]

LGTM as long as you try it and ensure it is working :-)

[codecov]

Codecov Report

Merging #5854 (43d2c21) into main (ff01708) will increase coverage by 0.05%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #5854      +/-   ##
==========================================
+ Coverage   68.35%   68.40%   +0.05%     
==========================================
  Files        1134     1134              
  Lines      241910   241910              
  Branches    25289    25289              
==========================================
+ Hits       165347   165475     +128     
+ Misses      69919    69800     -119     
+ Partials     6644     6635       -9     

Flag	Coverage Δ
Debug	68.40% <ø> (+0.05%)	⬆️
production	62.98% <ø> (+0.06%)	⬆️
test	89.31% <ø> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...c/Microsoft.ML.FastTree/Utils/ThreadTaskManager.cs	79.48% <0.00%> (-20.52%)	⬇️
....ML.AutoML/PipelineSuggesters/PipelineSuggester.cs	81.88% <0.00%> (-3.15%)	⬇️
src/Microsoft.ML.Maml/MAML.cs	25.38% <0.00%> (-1.53%)	⬇️
src/Microsoft.ML.AutoML/Sweepers/Parameters.cs	84.74% <0.00%> (-0.85%)	⬇️
...ML.Transforms/Text/StopWordsRemovingTransformer.cs	86.23% <0.00%> (-0.15%)	⬇️
src/Microsoft.ML.Data/Utils/LossFunctions.cs	67.35% <0.00%> (+0.51%)	⬆️
...oft.ML.StandardTrainers/Standard/SdcaMulticlass.cs	92.15% <0.00%> (+1.02%)	⬆️
...crosoft.ML.StandardTrainers/Optimizer/Optimizer.cs	73.12% <0.00%> (+1.15%)	⬆️
src/Microsoft.ML.Sweeper/AsyncSweeper.cs	72.78% <0.00%> (+1.36%)	⬆️
test/Microsoft.ML.AutoML.Tests/AutoFitTests.cs	89.04% <0.00%> (+1.96%)	⬆️
... and 4 more