[Backport 1.9.latest] Fixes dbt retry does not respect --threads (#10591)

[dbeatty10]

Backport 3464be7 from #10591.

Closes #11238

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.10%. Comparing base (9ed089a) to head (f3718e7).

Additional details and impacted files

@@             Coverage Diff             @@
##           1.9.latest   #11447   +/-   ##
===========================================
  Coverage       89.09%   89.10%           
===========================================
  Files             184      184           
  Lines           23911    23911           
===========================================
+ Hits            21303    21305    +2     
+ Misses           2608     2606    -2     

Flag	Coverage Δ
integration	86.48% <100.00%> (ø)
unit	62.15% <100.00%> (ø)

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Components	Coverage Δ
Unit Tests	62.15% <100.00%> (ø)
Integration Tests	86.48% <100.00%> (ø)

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[zqureshi]

Thank you Doug! 🚀