Revert "Bump actions/download-artifact and actions/upload-artifact fr… #338

Job	Run time
docker-master	1h 39m 26s
publish-standalone-dry-run	15s
test-standalone (master, dev, default)	52s
build-wasm-of-ocaml (master, 4.14.1)	13m 6s
build-js-of-ocaml (master, 4.11.1)	17m 2s
generated-files (master)	1m 43s
validate-docker-master	33m 13s
standalone-haskell (master)	51m 26s
test-amd64	2h 19m 49s
deploy-js-wasm-of-ocaml	29s
docker-check-all	8s
	5h 57m 29s

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