Update dependency org.jetbrains.kotlinx:kotlinx-serialization-json to v1.8.1

Author: renovate[bot]

app/build.gradle

@@ -91,7 +91,7 @@ dependencies {
 
     implementation "com.squareup.retrofit2:retrofit:2.11.0"
     implementation("com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:1.0.0")
-    implementation 'org.jetbrains.kotlinx:kotlinx-serialization-json:1.8.0'
+    implementation 'org.jetbrains.kotlinx:kotlinx-serialization-json:1.8.1'
     implementation "com.squareup.okhttp3:logging-interceptor:4.12.0"
 
     testImplementation "junit:junit:4.13.2"