feat: add a Calibration_MichelP function that allows to parallelize the grid-screening step

Refs #96
4 jobs for 96-parallelize-the-grid-screening-step-during-calibration in 15 minutes and 43 seconds (queued for 6 minutes and 23 seconds)
Status Job ID Name Coverage
  Build
passed #149791
build_patched

00:00:29

 
  Regression
passed #149792
regression_patched

00:01:01

 
  Tests
passed #149794
check_as_cran_patched

00:02:06

passed #149793
check_not_cran_patched

00:12:05