Update scalajs-linker, ... to 1.12.0 (#2150)

Updates 
* [org.scala-js:scalajs-linker](https://github.com/scala-js/scala-js)
*
[org.scala-js:scalajs-sbt-test-adapter](https://github.com/scala-js/scala-js)

 from 1.11.0 to 1.12.0.

Pull request: #2150

build.sc

@@ -100,8 +100,8 @@ object Deps {
     val scalajsEnvExoegoJsdomNodejs = ivy"net.exoego::scalajs-env-jsdom-nodejs:2.1.0"
     val scalajsEnvNodejs = ivy"org.scala-js::scalajs-env-nodejs:1.4.0"
     val scalajsEnvPhantomjs = ivy"org.scala-js::scalajs-env-phantomjs:1.0.0"
-    val scalajsSbtTestAdapter = ivy"org.scala-js::scalajs-sbt-test-adapter:1.11.0"
-    val scalajsLinker = ivy"org.scala-js::scalajs-linker:1.11.0"
+    val scalajsSbtTestAdapter = ivy"org.scala-js::scalajs-sbt-test-adapter:1.12.0"
+    val scalajsLinker = ivy"org.scala-js::scalajs-linker:1.12.0"
   }
 
   object Scalanative_0_4 {
@@ -393,7 +393,8 @@ trait MillInternalModule extends MillScalaModule with MillPublishModule
 trait MillApiModule extends MillScalaModule with MillPublishModule with MillMimaConfig
 
 /** Publishable module with tests. */
-trait MillModule extends MillApiModule with MillAutoTestSetup with WithMillCompiler with AcyclicConfig
+trait MillModule extends MillApiModule with MillAutoTestSetup with WithMillCompiler
+    with AcyclicConfig
 
 object main extends MillModule {
 
@@ -673,7 +674,9 @@ object scalajslib extends MillModule {
          |    val javaxServlet = "org.eclipse.jetty.orbit:javax.servlet:3.0.0.v201112011016"
          |    val scalajsEnvNodejs = "${formatDep(Deps.Scalajs_1.scalajsEnvNodejs)}"
          |    val scalajsEnvJsdomNodejs = "${formatDep(Deps.Scalajs_1.scalajsEnvJsdomNodejs)}"
-         |    val scalajsEnvExoegoJsdomNodejs = "${formatDep(Deps.Scalajs_1.scalajsEnvExoegoJsdomNodejs)}"
+         |    val scalajsEnvExoegoJsdomNodejs = "${formatDep(
+          Deps.Scalajs_1.scalajsEnvExoegoJsdomNodejs
+        )}"
          |    val scalajsEnvPhantomJs = "${formatDep(Deps.Scalajs_1.scalajsEnvPhantomjs)}"
          |  }
          |}