Merge pull request #395 from scala-steward/update/sbt-scalajs-1.6.0

Update sbt-scalajs, ... to 1.6.0

Author: Philippus

Diff for: .travis.yml

@@ -13,7 +13,7 @@ scala:
 
 env:
   - ADOPTOPENJDK=8     SCALAJS_VERSION=       CACHE_WORKAROUND=see-PR-335
-  - ADOPTOPENJDK=8     SCALAJS_VERSION=1.5.1  CACHE_WORKAROUND=see-PR-335
+  - ADOPTOPENJDK=8     SCALAJS_VERSION=1.6.0  CACHE_WORKAROUND=see-PR-335
   - ADOPTOPENJDK=11    SCALAJS_VERSION=       CACHE_WORKAROUND=see-PR-335
 
 matrix:

Diff for: build.sbt

@@ -3,7 +3,9 @@ lazy val root = project.in(file("."))
   .settings(
     publish / skip := true,
     ThisBuild / versionScheme := Some("early-semver"),
-    ThisBuild / versionPolicyIntention := Compatibility.BinaryAndSourceCompatible
+    ThisBuild / versionPolicyIntention := Compatibility.BinaryCompatible,
+    // because it doesn't declare it itself
+    ThisBuild / versionPolicyDependencySchemes += "org.scala-js" %% "scalajs-library" % "semver-spec"
   )
 
 lazy val parserCombinators = crossProject(JVMPlatform, JSPlatform, NativePlatform)

Diff for: project/plugins.sbt

@@ -1,5 +1,5 @@
 val scalaJSVersion =
-  Option(System.getenv("SCALAJS_VERSION")).filter(_.nonEmpty).getOrElse("1.5.1")
+  Option(System.getenv("SCALAJS_VERSION")).filter(_.nonEmpty).getOrElse("1.6.0")
 
 val scalaNativeVersion =
   Option(System.getenv("SCALANATIVE_VERSION")).filter(_.nonEmpty).getOrElse("0.4.0")