Use AmbientCapabilities on non-core16 systems (bugfix) #2543

Job	Run time
get_path_matrix	7s
deb_validation (ubuntu-24.04, checkbox-ng)	41s
deb_validation (self-hosted, focal, checkbox-ng)	42s
deb_validation (ubuntu-22.04, checkbox-ng)	51s
	2m 21s

Provide feedback