Update scalatest to 3.2.16

Author: scala-steward

build.sbt

@@ -64,7 +64,7 @@ val Versions = new {
   val circe = "0.14.5"
   val jsoniter = "2.21.4"
   val monix = "3.4.1"
-  val scalaTest = "3.2.15"
+  val scalaTest = "3.2.16"
   val sttp = "3.3.18"
   val refined = "0.10.3"
   val scalaCache = "1.0.0-M6"