Update GitHub Actions workflows. (#474) #175

Job	Run time
prerequisites	1m 7s
lint / lint	4m 35s
License Check / License Check	23s
generate_coverage_data	4m 41s
build_sdk (nodejs)	1m 32s
build_sdk (python)	1m 47s
build_sdk (dotnet)	1m 22s
build_sdk (go)	1m 37s
build_sdk (java)	1m 35s
test (nodejs)	2m 7s
test (python)	2m 8s
test (dotnet)	1m 56s
test (go)	1m 52s
test (java)	1m 53s
publish	8m 50s
publish_sdk	3m 36s
Tag release if labeled as needs-release	4s
	41m 5s

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