convert 0.12.x branch to sonatypecentral publisher

Author: lihaoyi

.github/workflows/publish-artifacts.yml

@@ -75,7 +75,7 @@ jobs:
 
       - run: "echo temurin:11 > .mill-jvm-version"
 
-      - run: ./mill -i mill.scalalib.PublishModule/ --publishArtifacts ${{ matrix.publishartifacts }}
+      - run: ./mill --import "ivy:com.lihaoyi::mill-contrib-sonatypecentral:" mill.contrib.sonatypecentral.SonatypeCentralPublishModule/publishAll --publishArtifacts ${{ matrix.publishartifacts }}
 
       - run: ./mill -i dist.uploadToGithub --authKey $REPO_ACCESS_TOKEN
         if: ${{ matrix.uploadgithub }}