Update scalatest to 3.2.19 (#189)

Author: scala-steward

build.sbt

@@ -77,7 +77,7 @@ lazy val core = project.
       "org.slf4j" % "slf4j-api" % "2.0.13",
       "org.slf4j" % "log4j-over-slf4j" % "2.0.13", // for any java classes looking for this
       "ch.qos.logback" % "logback-classic" % "1.3.11",
-      "org.scalatest" %% "scalatest" % "3.2.18" % Test,
+      "org.scalatest" %% "scalatest" % "3.2.19" % Test,
     ),
     name := buildName + "-core",
     crossScalaVersions := Seq(scala212Version, scala213Version),