Merge branch 'feature/set-multithreading-backend-cmake-opts' into 'master'

[cmake] Add option to set multithreading backend

See merge request !3317

(cherry picked from commit cb78595c)

8e5cde6e [cmake] Add option to set multithreading backend
6 jobs for !3325 with cherry-pick-cb78595c in 9 seconds (queued for 2 seconds)
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