Update GitHub Actions workflows. (#389) #166

Job	Run time
prerequisites	1m 15s
License Check / License Check	22s
lint / lint	24s
generate_coverage_data	3m 35s
build_sdk (nodejs)	1m 35s
build_sdk (python)	1m 29s
build_sdk (dotnet)	1m 32s
build_sdk (go)	1m 23s
build_sdk (java)	1m 9s
test (nodejs)	2m 26s
test (python)	2m 20s
test (dotnet)	1m 53s
test (go)	1m 41s
test (java)	2m 13s
publish	7m 0s
publish_sdk	2m 23s
Tag release if labeled as needs-release	2s
	32m 42s

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