Chore: phase out deprecated GitHub Actions packages #742

Job	Run time
docker-build	35s
lint	1m 9s
test	6m 19s
build (linux, amd64)	29s
build (linux, 386)	36s
build (linux, arm)	38s
build (linux, arm64)	31s
build (darwin, amd64)	42s
build (darwin, arm64)	28s
build (windows, amd64)	33s
build (windows, 386)	32s
build (windows, arm)	27s
build (windows, arm64)	29s
integration-test-serverside (f0023141ec429d912e329665f937d05b178a3fee)	2m 11s
integration-test-clientside (v0.13.2)	2m 8s
analyze	1m 52s
	19m 39s

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