Address as many warnings/errors as possible.

Author: mrdziuban

sbt-plugin/src/main/scala-2/ch/epfl/scala/GithubDependencyGraphPlugin.scala

@@ -0,0 +1,6 @@
+package ch.epfl.scala
+
+trait GithubDependencyGraphPluginCompat {
+  val Inc: sbt.Inc.type = sbt.Inc
+  val Value: sbt.Value.type = sbt.Value
+}

sbt-plugin/src/main/scala-3/ch/epfl/scala/GithubDependencyGraphPlugin.scala

@@ -0,0 +1,6 @@
+package ch.epfl.scala
+
+trait GithubDependencyGraphPluginCompat {
+  val Inc: sbt.Result.Inc.type = sbt.Result.Inc
+  val Value: sbt.Result.Value.type = sbt.Result.Value
+}

sbt-plugin/src/main/scala/ch/epfl/scala/GithubDependencyGraphPlugin.scala

@@ -13,7 +13,7 @@ import sbt.internal.util.complete.Parsers
 import sbt.plugins.JvmPlugin
 import sjsonnew.shaded.scalajson.ast.unsafe.JString
 
-object GithubDependencyGraphPlugin extends AutoPlugin {
+object GithubDependencyGraphPlugin extends AutoPlugin with GithubDependencyGraphPluginCompat {
   private val runtimeConfigs =
     Set(
       Compile,
@@ -46,12 +46,12 @@ object GithubDependencyGraphPlugin extends AutoPlugin {
   override def trigger = allRequirements
   override def requires: Plugins = JvmPlugin
 
-  override def globalSettings: Seq[Setting[_]] = Def.settings(
+  override def globalSettings: Seq[Setting[?]] = Def.settings(
     githubStoreDependencyManifests := storeManifestsTask.evaluated,
     Keys.commands ++= SubmitDependencyGraph.commands ++ AnalyzeDependencyGraph.commands
   )
 
-  override def projectSettings: Seq[Setting[_]] = Def.settings(
+  override def projectSettings: Seq[Setting[?]] = Def.settings(
     githubDependencyManifest := manifestTask.value,
     githubDependencyManifest / Keys.aggregate := false
   )
@@ -184,6 +184,7 @@ object GithubDependencyGraphPlugin extends AutoPlugin {
           .mapValues {
             _.map { case (_, dep) => dep }.toVector
           }
+          .toMap
         val allDirectDependenciesRefs: Set[String] = allDirectDependencies.map(getReference).toSet
 
         val resolved =

sbt-plugin/src/main/scala/ch/epfl/scala/SubmitDependencyGraph.scala

@@ -168,7 +168,7 @@ object SubmitDependencyGraph {
   }
 
   private def githubJob(correlator: String): Job = {
-    val id = githubRunId
+    val id = githubRunId()
     val html_url =
       for {
         serverUrl <- Properties.envOrNone("GITHUB_SERVER_URL")