Test PR for autofix (#4324)

Author: lihaoyi

.github/workflows/autofix.yml

@@ -7,6 +7,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - run: ./mill -i mill.scalalib.scalafmt.ScalafmtModule/
+      - run: git clean -xdf
 
       - run: git config --global user.email "[email protected]"
       - run: git config --global user.name "Your Name"
@@ -15,7 +16,8 @@ jobs:
       - run: echo "[email protected]:${{ github.event.pull_request.head.repo.full_name }}.git"
       - run: echo ${{ github.event.pull_request.head.ref }}
       - run: echo "[email protected]:${{ github.event.pull_request.head.repo.full_name }}.git" > .autofix-repo
-      - run: echo ${{ github.event.pull_request.head.ref }}:${{ github.event.pull_request.head.ref }} > .autofix-branch
+      - run: echo HEAD:${{ github.event.pull_request.head.ref }} > .autofix-branch
+
 
       - uses: actions/[email protected]
         with:

scalajslib/src/mill/scalajslib/ScalaJSModule.scala

@@ -15,7 +15,6 @@ import mill.scalalib.bsp.{ScalaBuildTarget, ScalaPlatform}
 import mill.T
 
 trait ScalaJSModule extends scalalib.ScalaModule { outer =>
-
   def scalaJSVersion: T[String]
 
   trait ScalaJSTests extends ScalaTests with TestScalaJSModule {