Update dependency org.jetbrains.kotlinx:kotlinx-serialization-json to v1.7.3

Author: renovate[bot]

gradle/libs.versions.toml

@@ -17,7 +17,7 @@ exposed-dao = { module = "org.jetbrains.exposed:exposed-dao" }
 exposed-jdbc = { module = "org.jetbrains.exposed:exposed-jdbc" }
 exposed-java-time = { module = "org.jetbrains.exposed:exposed-java-time" }
 kotest = "io.kotest:kotest-runner-junit5-jvm:5.8.0"
-kotlinx-serialization = "org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3"
+kotlinx-serialization = "org.jetbrains.kotlinx:kotlinx-serialization-json:1.7.3"
 logging-api = { module = "org.apache.logging.log4j:log4j-api", version.ref = "log4j" }
 logging-core = { module = "org.apache.logging.log4j:log4j-core", version.ref = "log4j" }
 luckperms = "net.luckperms:api:5.4"