Update GitHub Actions workflows. (#179) #80

Job	Run time
prerequisites	2m 1s
lint / lint	4m 52s
License Check / License Check	41s
generate_coverage_data	1m 5s
build_sdk (nodejs)	1m 29s
build_sdk (python)	1m 19s
build_sdk (dotnet)	1m 1s
build_sdk (go)	1m 32s
build_sdk (java)	2m 2s
test (nodejs)	16m 13s
test (python)	15m 19s
test (dotnet)	1m 13s
test (go)	1m 10s
test (java)	1m 30s
publish	13m 12s
publish_sdk	6m 33s
Tag release if labeled as needs-release	6s
	1h 11m 18s

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