deps: update all sorts of stuff

This pr goes through and makes the various updates:
  - Bumps mill to the latest 0.10.5
  - Bumps to the latest Scala versions for 2 and latest 3.1.x version
  - Drops 0.x support for ScalaJS
  - Move Scala native to 0.4.x
  - Adds in dependabot
  - Starts to cross test on 8 and 17
  - Updates checkout and java actions

.github/dependabot.yml

@@ -0,0 +1,7 @@
+version: 2
+updates:
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/workflows/actions.yml

@@ -13,22 +13,29 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java: ['8', '17']
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-java@v1
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
         with:
-          java-version: 8
+          distribution: 'temurin'
+          java-version: ${{ matrix.java }}
       - name: Run tests
         run: ./mill -i all __.publishArtifacts __.test
+
   check-binary-compatibility:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - uses: actions/setup-java@v1
+      - uses: actions/setup-java@v3
         with:
+          distribution: 'temurin'
           java-version: 8
+
       - name: Check Binary Compatibility
         run: ./mill -i __.mimaReportBinaryIssues
 
@@ -45,9 +52,10 @@ jobs:
       LC_MESSAGES: "en_US.UTF-8"
       LC_ALL: "en_US.UTF-8"
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-java@v1
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
         with:
+          distribution: 'temurin'
           java-version: 8
       - name: Publish to Maven Central
         run: |
@@ -72,5 +80,4 @@ jobs:
         with:
           tag_name: ${{ github.ref }}
           release_name: ${{ github.ref }}
-          body:
           draft: false

.mill-version

@@ -0,0 +1 @@
+0.10.5

build.sc

@@ -1,41 +1,42 @@
 import mill._, scalalib._, scalajslib._, scalanativelib._, publish._
 import $ivy.`de.tototec::de.tobiasroeser.mill.vcs.version::0.1.4`
 import de.tobiasroeser.mill.vcs.version.VcsVersion
-import $ivy.`com.github.lolgab::mill-mima::0.0.9`
+import $ivy.`com.github.lolgab::mill-mima::0.0.10`
 import com.github.lolgab.mill.mima._
+import mill.scalalib.api.Util.isScala3
 
-val dottyCustomVersion = sys.props.get("dottyVersion")
+val communityBuildDottyVersion = sys.props.get("dottyVersion").toList
 
 val scala211 = "2.11.12"
-val scala212 = "2.12.13"
-val scala213 = "2.13.4"
-val scala30 = "3.0.0"
-val scala31 = "3.1.1"
+val scala212 = "2.12.16"
+val scala213 = "2.13.8"
+val scala3 = "3.1.3"
 
-val scala2VersionsAndDotty = scala213 :: scala212 :: scala211 :: dottyCustomVersion.toList
+val scalaVersions = scala3 :: scala213 :: scala212 :: scala211 :: communityBuildDottyVersion
 
-val scalaJSVersions = for {
-  scalaV <- scala30 :: scala2VersionsAndDotty
-  scalaJSV <- Seq("0.6.33", "1.5.1")
-  if scalaV.startsWith("2.") || scalaJSV.startsWith("1.")
-} yield (scalaV, scalaJSV)
+val scalaJSVersions = scalaVersions.map((_, "1.10.1"))
+val scalaNativeVersions = scalaVersions.map((_, "0.4.5"))
 
-val scalaNativeVersions = for {
-  scalaV <- scala31 :: scala2VersionsAndDotty
-  scalaNativeV <- Seq("0.4.3")
-} yield (scalaV, scalaNativeV)
+trait MimaCheck extends Mima {
+  def mimaPreviousVersions = VcsVersion.vcsState().lastTag.toSeq
+}
 
-trait GenyPublishModule extends PublishModule with Mima {
+trait GenyPublishModule extends PublishModule with MimaCheck {
   def artifactName = "geny"
 
   def publishVersion = VcsVersion.vcsState().format()
 
-  def mimaPreviousVersions = VcsVersion.vcsState().lastTag.toSeq
+  def crossScalaVersion: String
+
+  // Temporary until the next version of Mima gets released with
+  // https://github.com/lightbend/mima/issues/693 included in the release.
+  def mimaPreviousArtifacts =
+    if(isScala3(crossScalaVersion)) Agg.empty[Dep] else super.mimaPreviousArtifacts()
 
   def pomSettings = PomSettings(
     description = artifactName(),
     organization = "com.lihaoyi",
-    url = "https://github.com/lihaoyi/geny",
+    url = "https://github.com/com-lihaoyi/geny",
     licenses = Seq(License.MIT),
     versionControl = VersionControl.github(owner = "com-lihaoyi", repo = "geny"),
     developers = Seq(
@@ -54,7 +55,7 @@ trait CommonTestModule extends ScalaModule with TestModule.Utest {
 }
 
 object geny extends Module {
-  object jvm extends Cross[JvmGenyModule](scala30 :: scala2VersionsAndDotty: _*)
+  object jvm extends Cross[JvmGenyModule](scalaVersions: _*)
   class JvmGenyModule(val crossScalaVersion: String)
     extends Common with ScalaModule with GenyPublishModule
   {

mill

@@ -3,7 +3,7 @@
 # This is a wrapper script, that automatically download mill from GitHub release pages
 # You can give the required mill version with MILL_VERSION env variable
 # If no version is given, it falls back to the value of DEFAULT_MILL_VERSION
-DEFAULT_MILL_VERSION=0.10.0
+DEFAULT_MILL_VERSION=0.10.5
 
 set -e