[CI] [MacOS] Enable JSOO again #1079

Job	Run time
docker-master	1h 31m 55s
test-standalone (master, dev, default)	1m 47s
publish-standalone-dry-run	21s
validate-docker-master	2m 52s
build-js-of-ocaml (master, 4.11.1)	6m 11s
standalone-haskell (master)	48m 12s
test-amd64	2h 18m 5s
generated-files (master)	22m 58s
build-wasm-of-ocaml (master, 4.14.1)	14m 42s
deploy-js-wasm-of-ocaml	0s
docker-check-all	4s
	5h 27m 7s

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