Try to fix CI tests

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
       with:
         jvm: 8
     - name: Publish stubs locally
-      run: ./mill -i stubs.publishLocal
+      run: ./mill -i publishStubs
     - name: Setup (Windows only)
       if: runner.os == 'Windows'
       shell: bash

.mill-version

@@ -1 +1 @@
-0.9.6
+0.9.6-62-5af674

build.sc

@@ -317,3 +317,15 @@ def uploadLaunchers(directory: String = "artifacts") = T.command {
   }
   upload(ghOrg, ghName, ghToken, tag, dryRun = false, overwrite = overwriteAssets)(launchers: _*)
 }
+
+def publishStubs = T {
+  val javaModules = Seq(
+    stubs
+  )
+  val crossModules = for {
+    sv <- Scala.all
+    proj <- Seq(runner, `test-runner`, `line-modifier-plugin`)
+  } yield proj(sv)
+  val tasks = (javaModules ++ crossModules).map(_.publishLocal())
+  define.Task.sequence(tasks)
+}

modules/runner/src/main/scala-3.0.0/scala/cli/runner/Stacktrace.scala

@@ -0,0 +1,8 @@
+package scala.cli.runner
+
+object Stacktrace {
+
+  def print(t: Throwable, prefix: String): Boolean =
+    false
+
+}

project/deps.sc

@@ -3,8 +3,8 @@ import mill._, scalalib._
 object Scala {
   def scala212 = "2.12.13"
   def scala213 = "2.13.5"
-  def scala3Extras = Seq("3.0.0-RC2")
-  def scala3 = "3.0.0-RC3"
+  def scala3Extras = Seq("3.0.0-RC2", "3.0.0-RC3")
+  def scala3 = "3.0.0"
   val allScala2 = Seq(scala213, scala212)
   val all = allScala2 ++ scala3Extras ++ Seq(scala3)
 }