kotlin upgrade to 2.1.0

less debug noise
use upgraded crypto2 version

src/jvmMain/kotlin/net/sergeych/kiloparsec/adapter/WebsocketServer.kt

@@ -82,7 +82,6 @@ fun <S> Application.setupWebsocketServer(
             }
             log.debug { "KSC started, looking for incoming frames" }
             for (f in incoming) {
-                log.debug { "incoming frame: ${f.frameType}" }
                 if (f is Frame.Binary)
                     try {
                         input.send(f.readBytes().toUByteArray())