Allow ESM imports in jest #2043

Job	Run time
build docs	23s
build (windows-latest, node 24, npm 11)	3m 26s
build (ubuntu-latest, node 24, npm 11)	1m 11s
build (ubuntu-latest, node 22, npm 10)	1m 35s
build (windows-latest, node 22, npm 10)	3m 57s
	10m 32s

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