fix(deps): update dependency org.jetbrains.kotlinx:kotlinx-serialization-json to v1.8.1

Author: renovate[bot]

build.gradle.kts

@@ -24,7 +24,7 @@ repositories {
 dependencies {
     implementation(kotlin("stdlib"))
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.1")
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.8.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.8.1")
     implementation("org.mariadb.jdbc:mariadb-java-client:3.5.3")
     implementation("org.jetbrains.exposed:exposed-core:0.60.0")
     implementation("org.jetbrains.exposed:exposed-jdbc:0.60.0")