nixos/xen: declarative `libxenlight`, part I #43578

Job	Run time
get-merge-commit / resolve-merge-commit	4s
Attributes	1m 14s
Eval nixpkgs with aliases enabled	44s
Outpaths (aarch64-linux)	3m 51s
Outpaths (aarch64-darwin)	3m 35s
Outpaths (x86_64-linux)	4m 13s
Outpaths (x86_64-darwin)	3m 41s
Process	59s
Tag	0s
	18m 21s

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