Bump babel-jest from 30.2.0 to 30.3.0 #1607

Job	Run time
build (22)	2m 11s
build (24)	1m 59s
Dependabot	3s
npm-publish-dev / prerelease-check	9s
npm-publish-latest	0s
gh-pages	0s
npm-publish-dev / npm-publish-build	0s
	4m 22s

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