Update misk to kotlin 2.1

GitOrigin-RevId: ee3698cae78dec6e0c2138b7834b99bf5eb58f89

Author: staktrace

gradle/libs.versions.toml

@@ -14,7 +14,7 @@ hoplite = "2.7.5"
 jackson = "2.18.2"
 junit = "5.11.4"
 kotest = "5.9.1"
-kotlin = "1.9.25"
+kotlin = "2.1.10"
 kotlinBinaryCompatibilityPlugin = "0.17.0"
 mavenPublish = "0.28.0"
 micrometer = "1.12.13"