Bump etc/coq-scripts from `7b54b75` to `5876e80` #390

Job	Run time
docker-master	1h 42m 19s
publish-standalone-dry-run	12s
test-standalone (master, dev, default)	58s
validate-docker-master	1m 45s
generated-files (master)	27m 42s
build-js-of-ocaml (master, 4.11.1)	14m 42s
build-wasm-of-ocaml (master, 4.14.1)	13m 31s
standalone-haskell (master)	53m 45s
test-amd64	2h 20m 52s
deploy-js-wasm-of-ocaml	56s
docker-check-all	2s
	5h 56m 44s

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