Update junit5 monorepo to v5.12.0 (minor)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.junit.jupiter:junit-jupiter-engine (source)	5.11.4 -> 5.12.0
org.junit.jupiter:junit-jupiter-migrationsupport (source)	5.11.4 -> 5.12.0
org.junit.jupiter:junit-jupiter-api (source)	5.11.4 -> 5.12.0

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