switch GarageDoor to LeakageSemantics #809

Job	Run time
docker-master	1h 29m 3s
publish-standalone-dry-run	13s
test-standalone (master, dev, default)	1m 53s
build-js-of-ocaml (master, 4.11.1)	5m 48s
build-wasm-of-ocaml (master, 4.14.1)	16m 19s
standalone-haskell (master)	45m 2s
generated-files (master)	23m 0s
test-amd64	2h 15m 54s
validate-docker-master	2m 55s
deploy-js-wasm-of-ocaml	38s
docker-check-all	1s
	5h 20m 46s

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