Update dependency org.mockito.kotlin:mockito-kotlin to v6

Author: renovate[bot]

gradle/libs.versions.toml

@@ -5,7 +5,7 @@ dokkatoo = "2.4.0"
 junit = "5.13.4"
 kotlin = "2.2.0"
 licenser = "0.6.1"
-mockito-kotlin = "5.4.0"
+mockito-kotlin = "6.0.0"
 nexus-publish-plugin = "2.0.0"
 placeholderapi = "2.11.6"
 spotless = "7.2.1"