Update dependency org.jetbrains.androidx.navigation:navigation-compose to v2.8.0-alpha12

Author: renovate[bot]

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ kmpNativeCoroutines = "1.0.0-ALPHA-38"
 
 androidxActivity = "1.9.3"
 androidxComposeBom = "2024.12.01"
-androidx-navigation = "2.8.0-alpha08"
+androidx-navigation = "2.8.0-alpha12"
 androidx-lifecycle = "2.8.4"
 accompanist = "0.30.1"
 horologist = "0.6.20"