fixup/experiment: replace std::system by boost.process to launch processes in a cross-platform way#685

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Klaim wants to merge 4 commits intojupyter-xeus:mainfrom

Klaim:fixup-tests-xpython-process

Commits on Jan 21, 2026

dont use std::system to launch processes, it's cli api is system-dependant - fixup attempt by using boost.process instead
Klaim
committed

Commits on Jan 22, 2026