Update GitHub Actions workflows. (#335) #148

Job	Run time
prerequisites	1m 37s
lint / lint	21s
License Check / License Check	18s
build_sdk (nodejs)	59s
generate_coverage_data	3m 37s
build_sdk (python)	1m 14s
build_sdk (dotnet)	1m 9s
build_sdk (go)	1m 18s
build_sdk (java)	55s
test (nodejs)	2m 18s
test (python)	1m 50s
test (dotnet)	2m 14s
test (go)	1m 38s
test (java)	1m 32s
publish	7m 3s
publish_sdk	3m 27s
Tag release if labeled as needs-release	3s
	31m 33s

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