Update GitHub Actions workflows. (#233) #98

Job	Run time
prerequisites	1m 43s
lint / lint	2m 2s
License Check / License Check	18s
generate_coverage_data	1m 37s
build_sdk (nodejs)	1m 32s
build_sdk (python)	1m 30s
build_sdk (dotnet)	1m 3s
build_sdk (go)	1m 18s
build_sdk (java)	1m 27s
test (nodejs)	1m 11s
test (python)	54s
test (dotnet)	1m 2s
test (go)	49s
test (java)	1m 10s
publish	5m 37s
publish_sdk	2m 36s
Tag release if labeled as needs-release	4s
	25m 53s

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