Update scalatest to 3.2.16 (#636)

Author: scala-steward

build.sbt

@@ -5,7 +5,7 @@ import com.typesafe.sbt.osgi.SbtOsgi.autoImport._
 import bijection._
 
 val twitterLibVersion = "21.2.0"
-val scalatestVersion = "3.2.13"
+val scalatestVersion = "3.2.16"
 val scalacheckVersion = "1.15.2"
 val scalatestPlusScalacheckVersion = "3.2.3.0"
 val scalatestPlusJunitVersion = "3.2.16.0"