CI/CD: bump deprecated GitHub Actions dependencies #771

Job	Run time
docker-build	35s
test	6m 4s
lint	34s
build (linux, amd64)	36s
build (linux, 386)	36s
build (linux, arm)	43s
build (linux, arm64)	29s
build (darwin, amd64)	40s
build (darwin, arm64)	30s
build (windows, amd64)	37s
build (windows, 386)	40s
build (windows, arm)	45s
build (windows, arm64)	36s
integration-test-clientside (v0.13.2)	1m 51s
integration-test-serverside (f0023141ec429d912e329665f937d05b178a3fee)	1m 55s
analyze	1m 53s
	19m 4s

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