Bump rewriter from `76973c4` to `e4d987c` #742

Job	Run time
docker-master	1h 25m 32s
publish-standalone-dry-run	19s
test-standalone (master, dev, default)	1m 25s
generated-files (master)	24m 16s
validate-docker-master	2m 20s
build-js-of-ocaml (master, 4.11.1)	13m 6s
build-wasm-of-ocaml (master, 4.14.1)	18m 12s
standalone-haskell (master)	46m 48s
test-amd64	2h 18m 26s
deploy-js-wasm-of-ocaml	1m 0s
docker-check-all	5s
	5h 31m 29s

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