Update serialization_version to v1.4.0 (#7833)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

gradle/kotlinx.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 kotlin_version = "1.7.10"
 coroutines_version = "1.6.4"
-serialization_version = "1.3.3"
+serialization_version = "1.4.0"
 
 [libraries]
 reflect = { module = "org.jetbrains.kotlin:kotlin-reflect", version.ref = "kotlin_version" }