Update GitHub Actions workflows. (#416) #171

Job	Run time
prerequisites	1m 58s
lint / lint	14s
License Check / License Check	30s
generate_coverage_data	3m 41s
build_sdk (nodejs)	1m 27s
build_sdk (python)	1m 27s
build_sdk (dotnet)	1m 19s
build_sdk (go)	1m 44s
build_sdk (java)	1m 20s
test (nodejs)	1m 48s
test (python)	2m 10s
test (dotnet)	1m 45s
test (go)	1m 42s
test (java)	1m 26s
publish	8m 16s
publish_sdk	3m 3s
Tag release if labeled as needs-release	7s
	33m 57s

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