Update GitHub Actions workflows. (#612) #265

Job	Run time
prerequisites	2m 23s
License Check / License Check	1m 5s
build_sdk (nodejs)	1m 22s
generate_coverage_data	5m 7s
build_sdk (python)	1m 37s
build_sdk (dotnet)	1m 51s
build_sdk (go)	1m 54s
build_sdk (java)	1m 55s
test (nodejs)	8m 45s
test (python)	2m 4s
test (dotnet)	2m 9s
test (go)	2m 8s
test (java)	2m 15s
publish	8m 5s
publish_sdk	3m 27s
Tag release if labeled as needs-release	3s
	46m 10s

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