Upgrade Kotest to 6.0.2 in libs.versions.toml.

Author: sksamuel

kotest-native/gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-kotest = "6.0.1"
+kotest = "6.0.2"
 kotlin = "2.2.10"
 ksp = "2.2.10-2.0.2"