Commit bf8187d5dc4d ("CI: use split target and subtarget in label
workflow") didn't correctly output subtarget resulting in calling with
an empty subtarget. Fix this and correctly output generated subtarget.
Fixes: bf8187d5dc4d ("CI: use split target and subtarget in label workflow")
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
8aa5a86010