Update dependency org.jetbrains.kotlin:kotlin-stdlib to v2

| datasource | package                            | from   | to    |
| ---------- | ---------------------------------- | ------ | ----- |
| maven      | org.jetbrains.kotlin:kotlin-stdlib | 1.9.23 | 2.0.0 |

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 kotest = "5.8.1"
 kafka = "3.7.0"
-kotlin = "1.9.23"
+kotlin = "2.0.0"
 kotlinx-coroutines = "1.8.0"
 dokka = "1.9.20"
 knit = "0.5.0"