fabric: unify CLI with `jsonargparse` [wip] #28568

Job	Run time
build-packages / build-packages (fabric)	22s
build-packages / build-packages (pytorch)	35s
build-packages / build-packages (lightning)	27s
build-packages / merge-artifacts	10s
install-pkg (ubuntu-22.04, lightning, 3.11)	12m 46s
install-pkg (ubuntu-22.04, fabric, 3.9)	2m 10s
install-pkg (ubuntu-22.04, fabric, 3.11)	2m 12s
install-pkg (macOS-14, fabric, 3.11)	50s
install-pkg (ubuntu-22.04, lightning, 3.9)	2m 9s
install-pkg (ubuntu-22.04, notset, 3.11)	2m 12s
install-pkg (ubuntu-22.04, pytorch, 3.9)	2m 8s
install-pkg (macOS-14, fabric, 3.9)	58s
install-pkg (ubuntu-22.04, notset, 3.9)	2m 8s
install-pkg (ubuntu-22.04, pytorch, 3.11)	2m 12s
install-pkg (macOS-14, pytorch, 3.11)	42s
install-pkg (macOS-14, notset, 3.9)	58s
install-pkg (macOS-14, lightning, 3.11)	40s
install-pkg (macOS-14, pytorch, 3.9)	1m 13s
install-pkg (macOS-14, lightning, 3.9)	51s
install-pkg (windows-2022, pytorch, 3.11)	2m 12s
install-pkg (windows-2022, fabric, 3.11)	1m 50s
install-pkg (windows-2022, lightning, 3.9)	2m 11s
install-pkg (windows-2022, notset, 3.9)	2m 2s
install-pkg (macOS-14, notset, 3.11)	44s
install-pkg (windows-2022, notset, 3.11)	2m 2s
install-pkg (windows-2022, fabric, 3.9)	2m 5s
install-pkg (windows-2022, lightning, 3.11)	2m 24s
install-pkg (windows-2022, pytorch, 3.9)	2m 21s
install-pkg-guardian	4s
	53m 38s

Provide feedback