Update sbt and plugins

build.sbt

@@ -1,5 +1,5 @@
 import ReleaseTransformations._
-import sbtcrossproject.crossProject
+import sbtcrossproject.CrossPlugin.autoImport.crossProject
 
 organization in ThisBuild := "io.estatico"
 
@@ -32,8 +32,8 @@ lazy val catsTestsJVM = catsTests.jvm
 lazy val catsTestsJS = catsTests.js
 
 lazy val noPublishSettings = Seq(
-  publish := (),
-  publishLocal := (),
+  publish := {},
+  publishLocal := {},
   publishArtifact := false
 )
 

project/build.properties

@@ -1 +1 @@
-sbt.version = 0.13.17
+sbt.version = 1.2.8

project/plugins.sbt

@@ -1,6 +1,6 @@
-addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.0.1")
-addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.4")
-addSbtPlugin("com.dwijnand" % "sbt-travisci" % "1.1.0")
-addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "1.1")
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.23")
-addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "0.5.0")
+addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.1.1")
+addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.11")
+addSbtPlugin("com.dwijnand" % "sbt-travisci" % "1.1.3")
+addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "2.4")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.26")
+addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "0.6.0")