Set versionScheme of scala3-library artifact

Author: julienrf

project/Build.scala

@@ -1760,6 +1760,7 @@ object Build {
       val base =
         project.withCommonSettings.
           settings(
+            versionScheme := Some("semver-spec"),
             libraryDependencies += "org.scala-lang" % "scala-library" % stdlibVersion,
             // Make sure we do not refer to experimental features outside an experimental scope.
             // In other words, disable NIGHTLY/SNAPSHOT experimental scope.