Update de.mannodermaus.junit5 to v1.6.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
de.mannodermaus.junit5:android-test-runner	1.5.0 -> 1.6.0
de.mannodermaus.junit5:android-test-core	1.5.0 -> 1.6.0

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