Use node20 ci actions, since node16 is deprecated #9955

Job	Run time
lint	26s
test (macos)	3m 57s
build	1m 5s
test (windows)	6m 2s
addlicense	6s
test-race	4m 57s
test (ubuntu)	3m 47s
test-sgcollect (macos-latest)	53s
test-stats-definition-exporter (macos-latest)	29s
test-stats-definition-exporter (windows-latest)	3m 28s
test-sgcollect (windows-latest)	3m 56s
test-stats-definition-exporter (ubuntu-latest)	1m 8s
test-sgcollect (ubuntu-latest)	27s
	30m 41s

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