Update xml.serialization.version to v0.90.3 (#1446)

gradle/kotlinx.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 kotlin_version = "2.0.21"
 serialization_version = "1.7.3"
-xml_serialization_version = "0.90.2"
+xml_serialization_version = "0.90.3"
 
 [libraries]
 reflect = { module = "org.jetbrains.kotlin:kotlin-reflect", version.ref = "kotlin_version" }