Update sbt-converter to 1.0.0-beta32, support for scala.js 0.6 dropped

Author: kazievab

.github/workflows/build.yml

@@ -13,5 +13,3 @@ jobs:
         java-version: 1.8
     - name: Run test
       run: sbt -mem 4096 clean test
-    - name: Run test 0.6
-      run: SCALAJS_VERSION=0.6.33 DEMO_ENABLED=0 sbt -mem 4096 clean test

.github/workflows/release.yml

@@ -33,5 +33,3 @@ jobs:
           restore-keys: ${{ runner.os }}-sbt-
       - name: Publish
         run: sbt clean ci-release
-      - name: Publish 0.6
-        run: SCALAJS_VERSION=0.6.33 sbt clean ci-release

project/plugins.sbt

@@ -1,12 +1,10 @@
 val scalaJSVersion = Option(System.getenv("SCALAJS_VERSION")).getOrElse("1.5.0")
 
-resolvers += Resolver.bintrayRepo("oyvindberg", "converter")
-
-addSbtPlugin("org.scalablytyped.converter" % s"sbt-converter${if (scalaJSVersion.startsWith("0.6")) "06" else ""}" % "1.0.0-beta28")
+addSbtPlugin("org.scalablytyped.converter" % "sbt-converter" % "1.0.0-beta32")
 
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % scalaJSVersion)
 
-addSbtPlugin("ch.epfl.scala" % s"sbt-scalajs-bundler${if (scalaJSVersion.startsWith("0.6")) "-sjs06" else ""}" % s"0.${if (scalaJSVersion.startsWith("0.6")) "18" else "20"}.0")
+addSbtPlugin("ch.epfl.scala" % s"sbt-scalajs-bundler" % s"0.20.0")
 
 addSbtPlugin("io.github.davidgregory084" % "sbt-tpolecat" % "0.1.17")