Update GitHub Actions workflows. (#400) #199

Job	Run time
prerequisites	2m 19s
lint / lint	4m 44s
License Check / License Check	31s
generate_coverage_data	1s
build_sdk (nodejs)	1m 20s
build_sdk (python)	1m 15s
build_sdk (dotnet)	1m 29s
build_sdk (go)	2m 0s
build_sdk (java)	2m 4s
test (nodejs)	2m 48s
test (python)	2m 24s
test (dotnet)	1m 38s
test (go)	1m 39s
test (java)	1m 38s
publish	1s
publish_sdk	0s
Tag release if labeled as needs-release	0s
	25m 51s

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