fix(deps): update dependency org.jetbrains.kotlinx:kotlinx-serialization-json to v1.9.0

Author: renovate[bot]

config/libs.versions.toml

@@ -12,7 +12,7 @@ javaxJsonVer = "1.1.4"
 # jfx 20.x+ requires jdk 17+
 jfxVer = "23.0.1"
 jnaVer = "5.17.0"
-kotlinSerVer = "1.8.1"
+kotlinSerVer = "1.9.0"
 kotlinVer = "2.1.21"
 mockitoCoreVer = "5.17.0"
 nashornVer = "15.6"