wildcat: show Universe is a 2-cat #1623

Job	Run time
quick-build (supported, ubuntu-latest)	3m 29s
quick-build (latest, ubuntu-latest)	4m 24s
build (supported)	3m 59s
opam-build (supported, ubuntu-latest)	5m 57s
quick-build (dev, ubuntu-latest)	3m 37s
build (latest)	3m 42s
nix	4m 29s
opam-build (8.17, ubuntu-latest)	5m 34s
build (dev, --warnings)	4m 42s
opam-build (latest, ubuntu-latest)	5m 26s
opam-build (dev, ubuntu-latest)	5m 59s
doc-alectryon	15m 52s
doc-dep-graphs	11m 31s
doc-coqdoc	1m 8s
coqchk (supported)	2m 7s
doc-timing	1m 17s
coqchk (latest)	1m 58s
install (supported)	1m 11s
coqchk (dev)	1m 41s
install (latest)	1m 24s
install (dev)	1m 24s
deploy-doc	0s
delete-artifacts	8s
	1h 30m 59s

Provide feedback