Update GitHub Actions workflows. (#484) #181

Job	Run time
prerequisites	1m 4s
License Check / License Check	21s
lint / lint	54s
generate_coverage_data	5m 50s
build_sdk (nodejs)	1m 27s
build_sdk (python)	1m 35s
build_sdk (dotnet)	1m 34s
build_sdk (go)	1m 43s
build_sdk (java)	1m 41s
test (nodejs)	2m 16s
test (python)	1m 35s
test (dotnet)	2m 7s
test (go)	1m 37s
test (java)	1m 54s
publish	8m 18s
publish_sdk	4m 10s
Tag release if labeled as needs-release	7s
	38m 13s

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