chore: updated tutorials java

Author: kikoso

tutorials/java/MapWithMarker/gradle/libs.versions.toml

@@ -5,7 +5,7 @@ targetSdk = "36"
 versionCode = "1"
 versionName = "1.0"
 playServicesMaps = "19.2.0"
-kotlinBom = "2.20.0"
+kotlinBom = "2.0.0"
 appcompat = "1.7.1"
 junit = "4.13.2"
 androidxTestExtJunit = "1.2.1"