Update kind-projector to 0.13.4 (#746)

Author: scala-steward

build.sbt

@@ -25,7 +25,7 @@ lazy val commonSettings = Seq(
   libraryDependencies ++= crossSettings(
     scalaVersion.value,
     if3 = Nil,
-    if2 = List(compilerPlugin("org.typelevel" %% "kind-projector" % "0.13.3" cross CrossVersion.full)),
+    if2 = List(compilerPlugin("org.typelevel" %% "kind-projector" % "0.13.4" cross CrossVersion.full)),
   ),
   scalacOptions ++= crossSettings(
     scalaVersion.value,