HITs: fix inconsistencies from several HITs #1562

Job	Run time
nix	1m 23s
build (supported)	1m 20s
opam-build (supported, ubuntu-latest)	1m 18s
build (latest)	1m 21s
quick-build (supported, ubuntu-latest)	1m 20s
opam-build (8.17, ubuntu-latest)	1m 19s
build (dev, --warnings)	1m 20s
opam-build (latest, ubuntu-latest)	1m 23s
quick-build (latest, ubuntu-latest)	1m 19s
opam-build (dev, ubuntu-latest)	1m 13s
quick-build (dev, ubuntu-latest)	1m 19s
doc-coqdoc	1s
doc-alectryon	1s
doc-dep-graphs	1s
coqchk	1s
doc-timing	1s
install	1s
deploy-doc	1s
delete-artifacts	10s
	14m 52s

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