chore: v6 update node version for test builds #152

Job	Run time
call-build-lint-test-workflow / build	2m 54s
call-build-lint-test-workflow / test_a11y	3m 0s
call-build-lint-test-workflow / lint	36s
call-build-lint-test-workflow / test_jest	3m 7s
	9m 37s

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