Update GitHub Actions workflows. (#325) #149

Job	Run time
prerequisites	2m 1s
License Check / License Check	16s
lint / lint	32s
generate_coverage_data	1m 25s
build_sdk (nodejs)	58s
build_sdk (python)	1m 2s
build_sdk (dotnet)	1m 8s
build_sdk (go)	1m 6s
build_sdk (java)	54s
test (nodejs)	2m 6s
test (python)	1m 53s
test (dotnet)	1m 20s
test (go)	1m 58s
test (java)	1m 30s
publish	4m 51s
publish_sdk	3m 45s
Tag release if labeled as needs-release	3s
	26m 48s

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