Update kotlin monorepo to v2.2.20

Author: renovate-bot

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 android-gradle = "8.11.1"
 androidx-annotation = "1.9.1"
-kotlin = "2.2.0"
+kotlin = "2.2.20"
 kotlinx-serialization = "1.9.0"
 ktlint = "1.7.0"
 maven-publish = "0.34.0"