Update GitHub Actions workflows. (#1671) #398

Job	Run time
prerequisites	8m 32s
License Check / License Check	1m 48s
lint / lint	1m 35s
generate_coverage_data	10m 3s
build_sdk (nodejs)	2m 53s
build_sdk (python)	2m 57s
build_sdk (dotnet)	3m 35s
build_sdk (go)	3m 43s
build_sdk (java)	3m 40s
test (nodejs)	27m 31s
test (python)	10m 31s
test (dotnet)	11m 25s
test (go)	7m 36s
test (java)	8m 10s
publish	30m 56s
publish_sdk	5m 28s
Tag release if labeled as needs-release	2s
	2h 20m 25s

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