Fix openMP default in config scripts, refs #2622

Original fix was not properly setting the default in the BASH version (so not preventing grabbing of all cores by openMP) and not taking into account previous user value in the CSHELL version

added BugFix Build System labels

requested review from @f.uhlig

assigned to @f.uhlig

Probably partially explains the inconsistent runtime/timeouts seen in some CI chains and some Nightly tests

approved this merge request

enabled an automatic merge when the pipeline for 430aef1e succeeds

canceled the automatic merge

Cancelled auto merge: I forgot to fix the script for the CI (luckily I was monitoring something else on run4 and saw the CPU usage jump to the sky)

added 1 commit

• a5566aab - Fix openMP default in config scripts, refs #2622

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enabled an automatic merge when the pipeline for a5566aab succeeds

@p.-a.loizeau,

lets try again.

This time it looks fine on htop

Dear @f.uhlig,

you have been identified as code owner of at least one file which was changed with this merge request.

Please check the changes and approve them or request changes.

added CodeOwners label

merged