Update GitHub Actions workflows. (#418) #151

Job	Run time
prerequisites	2m 14s
lint / lint	22s
License Check / License Check	35s
build_sdk (nodejs)	1m 2s
generate_coverage_data	1m 40s
build_sdk (python)	1m 6s
build_sdk (dotnet)	1m 5s
build_sdk (go)	1m 34s
build_sdk (java)	1m 28s
test (nodejs)	1m 58s
test (python)	1m 29s
test (dotnet)	1m 37s
test (go)	1m 53s
test (java)	2m 2s
publish	6m 21s
publish_sdk	5m 40s
Tag release if labeled as needs-release	3s
	32m 9s

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