chore(deps): Update dependency org.mockito.kotlin:mockito-kotlin to v6

Author: renovate[bot]

gradle/libs.versions.toml

@@ -26,7 +26,7 @@ ktlint = "0.50.0"
 # testing
 jupiterEngine = "5.11.0"
 mockitoCore = "4.11.0"
-mockitoKotlin = "4.1.0"
+mockitoKotlin = "6.1.0"
 mockitoJupiter = "4.11.0"
 truth = "1.4.2"
 compileTesting = "0.21.0"