Merge pull request #3512 from scala-steward-org/topic/update-mill-script-location

Use Mill script from `com-lihaoyi/mill` for the Docker image

Author: fthomas

build.sbt

@@ -282,6 +282,7 @@ lazy val dummy = myCrossProject("dummy")
   .settings(noPublishSettings)
   .settings(
     libraryDependencies ++= Seq(
+      Dependencies.millMain,
       Dependencies.scalaStewardMillPlugin
     )
   )
@@ -359,10 +360,10 @@ lazy val dockerSettings = Def.settings(
       s"tar -xf $sbtTgz",
       s"rm -f $sbtTgz"
     ).mkString(" && ")
-    val millVer = Dependencies.millwScriptVersion
+    val millVer = Dependencies.millMain.revision
     val millBin = s"$binDir/mill"
     val installMill = Seq(
-      s"$curl $millBin https://github.com/lefou/millw/releases/download/${millVer}/millw-${millVer}",
+      s"$curl $millBin https://github.com/com-lihaoyi/mill/releases/download/$millVer/$millVer",
       s"chmod +x $millBin"
     ).mkString(" && ")
     val csBin = s"$binDir/cs"

project/Dependencies.scala

@@ -33,7 +33,7 @@ object Dependencies {
   val jjwtApi = "io.jsonwebtoken" % "jjwt-api" % "0.12.6"
   val jjwtImpl = "io.jsonwebtoken" % "jjwt-impl" % jjwtApi.revision
   val jjwtJackson = "io.jsonwebtoken" % "jjwt-jackson" % jjwtApi.revision
-  val millwScriptVersion = "0.4.12"
+  val millMain = "com.lihaoyi" % "mill-main_2.13" % "0.12.4"
   val monocleCore = "dev.optics" %% "monocle-core" % "3.3.0"
   val munit = "org.scalameta" %% "munit" % "1.0.3"
   val munitCatsEffect = "org.typelevel" %% "munit-cats-effect" % "2.0.0"