Flatcar: add target for Flatcar-compatible systemd sysext images#973

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kartikjoshi21 wants to merge 5 commits intoproject-dalec:mainfrom

kartikjoshi21:kartikjoshi21/flatcar-suport

Commits on Feb 18, 2026

sysext: provide extension-release matching versioned image name
kartikjoshi21
committed
sysext: support Flatcar-friendly naming + OS matching knobs
kartikjoshi21
committed

Commits on Feb 20, 2026

sysext: pass DALEC_SYSEXT_* build-args into build_sysext.sh
kartikjoshi21
committed

Commits on Feb 23, 2026