chore: bump koog to 0.6.1

Author: carlrobertoh

gradle/libs.versions.toml

@@ -15,7 +15,7 @@ junit = "5.13.4"
 kotlin = "2.2.10"
 kotlinx-serialization = "1.6.3"
 llm-client = "0.8.58"
-koog = "0.6.0"
+koog = "0.6.1"
 okhttp = "4.12.0"
 okio = "3.15.0"
 slf4j = "2.0.17"