fix(deps): update dependency com.google.genai:google-genai to v1.42.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ datafaker = "2.5.4"
 detekt = "2.0.0-alpha.2"
 dokka = "2.1.0"
 finchly = "0.1.1"
-google-genai = "1.41.0"
+google-genai = "1.42.0"
 google-adk = "0.7.0"
 junit = "6.0.3"
 kotest = "5.9.1"