Update dependency org.jetbrains.kotlin:kotlin-gradle-plugin to v1.9.20

Author: renovate[bot]

gradle/libraries.versions.toml

@@ -69,7 +69,7 @@ hilt = "2.46.1"
 json = "20230227"
 landscapist = "2.1.1"
 leakcanary = "2.12"
-kotlin = "1.8.0"
+kotlin = "1.9.20"
 mockk = "1.13.8"
 network-response-adapter = "5.0.0"
 nexus-publish = "1.3.0"