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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -10,7 +10,7 @@ clikt = "5.0.3"
 itextpdf = "5.5.13.4"
 koinCore = "4.1.0"
 kotest = "5.9.1"
-kotlinxSerialization = "1.8.1"
+kotlinxSerialization = "1.9.0"
 ks3 = "1.0.0"
 pdfbox = "3.0.5"
 poiOoxml = "5.4.1"