Update kotlin to v2.4.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ junit = "6.1.0"
 byteBuddy = "1.18.9"
 okhttp = "5.3.2"
 spotless = "8.6.0"
-kotlin = "2.3.21"
+kotlin = "2.4.0"
 androidPlugin = "9.2.1"
 kspPlugin = "2.3.9"
 junitKtx = "1.3.0"