deps: update kotlinxserialization to v1.8.1

Author: renovate[bot]

gradle/libs.versions.toml

@@ -44,7 +44,7 @@ kotest = "5.9.1"
 kotlinPoet = "2.1.0"
 kotlinxCoroutines = "1.10.1"
 kotlinxHtml = "0.12.0"
-kotlinxSerialization = "1.8.0"
+kotlinxSerialization = "1.8.1"
 ks3 = "1.0.0"
 tomlkt = "0.4.0"
 log4jApi = "2.24.3"