Temporarily disable 2.12 build due to scoverage/sbt-scoverage#319

Author: arashi01

build.sbt

@@ -237,8 +237,8 @@ lazy val commonNativeSettings = Seq(
   // https://github.com/tkawachi/sbt-doctest/issues/52
   doctestGenTests := Seq.empty,
   coverageEnabled := false,
-  // Currently scala-native does not support Dotty
-  crossScalaVersions := { crossScalaVersions.value.filterNot(Seq(DottyOld, DottyNew).contains) }
+  // Currently scala-native does not support Dotty, scoverage does not support Scala 2.12.13
+  crossScalaVersions := { crossScalaVersions.value.filterNot(Seq(DottyOld, DottyNew, Scala212).contains) }
 )
 
 lazy val commonJvmSettings = Seq(