Update test.kotest to v5.7.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.kotest:kotest-assertions-core-jvm	5.6.2 -> 5.7.0
io.kotest:kotest-runner-junit5-jvm	5.6.2 -> 5.7.0

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