Update fs2-core to 3.9.4

build.sbt

@@ -120,7 +120,7 @@ val V = new {
   val scalacheck = "1.17.0"
   val pprint = "0.8.1"
   val fansi = "0.4.0"
-  val fs2 = "3.9.3"
+  val fs2 = "3.9.4"
   val metaconfig = "0.12.0"
 }