pthbs: sandbox update - mrrl - Minimal Reliable Reproducible Linux

commit 61ff1428d3e1abb34de6f57f4447f95bd12c9dab
parent d65f949c3fb8bb574120ef8e5cbacbbf6773a97d
Author: Jan Pobrislo <ccx@te2000.cz>
Date:   Sat,  6 Dec 2025 22:16:30 +0000

pthbs: sandbox update

	mrrl Minimal Reliable Reproducible Linux
	git clone https://ccx.te2000.cz/git/mrrl
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