Update kotlin_version to v1.6.21

WebApp/src/jvmMain/kotlin/WebAppServer.kt

@@ -81,6 +81,9 @@ suspend fun main(vararg args: String) {
 
             )
         }
+        onUnhandledCommand {
+            println("Unhandled command: ${it.content}")
+        }
         setMyCommands(
             BotCommand("reply_markup", "Use to get reply markup keyboard with web app trigger"),
             BotCommand("inline", "Use to get inline keyboard with web app trigger"),

gradle.properties

@@ -2,7 +2,7 @@ kotlin.code.style=official
 org.gradle.parallel=true
 
 
-kotlin_version=1.6.10
-telegram_bot_api_version=0.38.22
+kotlin_version=1.6.21
+telegram_bot_api_version=0.38.23
 micro_utils_version=0.9.24
 ktor_version=1.6.8