FF: additional OpenMP parallelizations in FAST.Farm

[ebranlard]

This pull request ready to be merged

Feature or improvement description

• Adds more OpenMP statements in FAST.Farm Subs.
  - NOTE: parallelizing FWrap_Init (i.e. the step that reads all the OpenFAST input file, can result in the same input files being read by multiple processors. The NWTC_IO had a check that would prevent this, I have removed it).
  - Parallelize WD_CalcOutp
  - Isolate the calls to AWAE_UpdateStates (run after all the OpenFAST Turbine Update states), (small slow down expected because before this step was done in parallel, but separating this calls makes the process cleaner and leaves room for OpenMP Optimization of AWAE_UpdateStates. This shouldn't matter if you have more turbines than cores. )
  - Parallelize the Reading of HighRes boxes in AWAE_UpdatesStates
• Explicitly set the number of threads in the github workflow. Note: I have tested with 2,4, and 8 threads, all seem to work and don't seem to produce overhead from multithreading (but tests have few number of turbines)

Impacted areas of the software
Fast.Farm

Test results, if applicable
Unchanged