fix: update Kotlin metadata to 2.2.20 for Kotlin 2.3 support (#1569)

Author: 3flex

gradle/libs.versions.toml

@@ -24,8 +24,7 @@ jspecify = "1.0.0"
 junit = "5.13.4"
 kotlin = "2.0.21"
 kotlinForAndroidtests = '2.2.10'
-# TODO update to 2.2.10?
-kotlinMetadata = "2.1.21"
+kotlinMetadata = "2.2.20"
 # TODO is this going to cause a problem?
 kotlinDokka = "2.0.0"
 # Cannot be called kotlin-editor as it causes `libs.versions.kotlin.get()` to fail