Update dependency org.jetbrains.kotlinx:kotlinx-serialization-json to v1.7.1

Author: renovate[bot]

gradle/libs.versions.toml

@@ -15,7 +15,7 @@ ktlint = "1.1.1"
 kotlinter = "4.4.1"
 kotlinPoet = "1.18.1"
 androidCacheFix = "3.0.1"
-kotlinxSerialization = "1.6.3"
+kotlinxSerialization = "1.7.1"
 okhttp = "4.12.0"
 retrofit = "2.11.0"
 resilience4j = "2.2.0"