Merge pull request #47 from scala-steward/update/magnolia-1.3.0

Update magnolia to 1.3.0

Author: note

build.sbt

@@ -23,7 +23,7 @@ lazy val dhalljMagnolia = (projectMatrix in file("modules/dhallj-magnolia"))
     libraryDependencies ++= {
       CrossVersion.partialVersion(scalaVersion.value) match {
         case Some((3, _)) =>
-          Seq("com.softwaremill.magnolia1_3" %% "magnolia" % "1.2.7")
+          Seq("com.softwaremill.magnolia1_3" %% "magnolia" % "1.3.0")
         case _ =>
           Seq(
             "com.softwaremill.magnolia1_2"      %% "magnolia" % "1.1.3",