Bump rewriter from `de9f96d` to `9e81a52` #362

Job	Run time
docker-master	1h 37m 59s
publish-standalone-dry-run	20s
test-standalone (master, dev, default)	52s
build-js-of-ocaml (master, 4.11.1)	19m 42s
build-wasm-of-ocaml (master, 4.14.1)	13m 23s
validate-docker-master	1m 16s
generated-files (master)	22m 50s
standalone-haskell (master)	54m 32s
test-amd64	2h 16m 59s
deploy-js-wasm-of-ocaml	42s
docker-check-all	7s
	5h 48m 42s

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