Update GitHub Actions workflows. (#482) #179

Job	Run time
prerequisites	1m 2s
lint / lint	2m 15s
License Check / License Check	27s
build_sdk (nodejs)	1m 45s
generate_coverage_data	4m 9s
build_sdk (python)	1m 22s
build_sdk (dotnet)	1m 42s
build_sdk (go)	1m 30s
build_sdk (java)	2m 18s
test (nodejs)	1m 51s
test (python)	2m 28s
test (dotnet)	2m 6s
test (go)	2m 3s
test (java)	1m 48s
publish	8m 49s
publish_sdk	4m 24s
Tag release if labeled as needs-release	2s
	40m 1s

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