Update pekko-stream to 1.1.4

Author: scala-steward

project/Commons.scala

@@ -34,7 +34,7 @@ object Commons extends ProjectGroup("commons") {
   val typesafeConfigVersion = "1.4.3"
   val commonsIoVersion = "1.3.2" // test only
   val scalaLoggingVersion = "3.9.5"
-  val pekkoVersion = "1.1.3"
+  val pekkoVersion = "1.1.4"
   val monixVersion = "3.4.1"
   val circeVersion = "0.14.5" // benchmark only
   val upickleVersion = "3.1.2" // benchmark only