Switch to Netty server for Ktor benchmark.

Replaced CIO with Netty as the server engine for the Kotlin Ktor benchmark. Updated the build configuration to include the Netty dependency and removed the CIO dependency.

Author: nomisRev

benchmarks/kotlin-ktor/src/main/kotlin/org/renaissance/kotlin/ktor/KtorRenaissanceBenchmark.kt

@@ -82,7 +82,7 @@ class KtorRenaissanceBenchmark() : Benchmark {
     val randomSeed = context.parameter("random_seed").toPositiveInteger()
 
     application = ChatApplication(numberOfChats)
-    server = embeddedServer(io.ktor.server.cio.CIO, host = "localhost", port = port) {
+    server = embeddedServer(io.ktor.server.netty.Netty, host = "localhost", port = port) {
       application.apply {
         main()
       }

build.sbt

@@ -568,7 +568,7 @@ lazy val kotlinKtorBenchmarks = (project in file("benchmarks/kotlin-ktor"))
     kotlincJvmTarget := "11",
     libraryDependencies ++= Seq(
       "io.ktor" % "ktor-server-core-jvm" % ktorVersion,
-      "io.ktor" % "ktor-server-cio-jvm" % ktorVersion,
+      "io.ktor" % "ktor-server-netty-jvm" % ktorVersion,
       "io.ktor" % "ktor-server-tests-jvm" % ktorVersion,
       "io.ktor" % "ktor-server-call-logging" % ktorVersion,
       "io.ktor" % "ktor-serialization-kotlinx-json-jvm" % ktorVersion,