Override mockk dependency version. #2485
Description
The upgrade to mockk 1.12.8 via spring-projects/spring-data-build#1888 for the 2.7.x line causes trouble with Kotlin reflection that's why we need to alter the version on a project level.
kotlin.reflect.jvm.internal.KotlinReflectionInternalError: Unresolved class: class org.springframework.data.redis.connection.RedisZSetCommands$Limit$1
at org.springframework.data.redis.core.ReactiveStreamOperationsExtensionsUnitTests.reverseRangeWithType(ReactiveStreamOperationsExtensionsUnitTests.kt:476)