Bump etc/coq-scripts from `4327aa1` to `bf7754a` #783

Job	Run time
docker-master	1h 29m 15s
publish-standalone-dry-run	18s
test-standalone (master, dev, default)	1m 37s
build-js-of-ocaml (master, 4.11.1)	9m 39s
generated-files (master)	23m 31s
build-wasm-of-ocaml (master, 4.14.1)	21m 25s
standalone-haskell (master)	46m 15s
validate-docker-master	2m 30s
test-amd64	2h 23m 9s
deploy-js-wasm-of-ocaml	34s
docker-check-all	1s
	5h 38m 14s

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