Update sbt-converter to 1.0.0-beta43

Author: scala-steward

project/plugins.sbt

@@ -2,7 +2,7 @@
 addSbtPlugin("org.scala-js"                % "sbt-scalajs"              % "1.13.2")
 addSbtPlugin("ch.epfl.scala"               % "sbt-scalajs-bundler"      % "0.20.0")
 addSbtPlugin("org.portable-scala"          % "sbt-scalajs-crossproject" % "1.3.2")
-addSbtPlugin("org.scalablytyped.converter" % "sbt-converter"            % "1.0.0-beta39")
+addSbtPlugin("org.scalablytyped.converter" % "sbt-converter"            % "1.0.0-beta43")
 
 // sane scalac options
 addSbtPlugin("io.github.davidgregory084" % "sbt-tpolecat" % "0.4.4")