Update kotlin to v2.4.0

Author: renovate[bot]

demo-app/gradle/libs.versions.toml

@@ -5,7 +5,7 @@ opentelemetry = "1.62.0"
 opentelemetry-alpha = "1.62.0-alpha"
 junit = "6.1.0"
 spotless = "8.6.0"
-kotlin = "2.3.21"
+kotlin = "2.4.0"
 navigation-compose = "2.7.7"
 
 [libraries]

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"