Merge pull request #26 from sangria-graphql-org/scala_2.13.1

scala 2.13.1

.travis.yml

@@ -1,6 +1,6 @@
 language: scala
 scala:
-  - 2.13.0
+  - 2.13.1
   - 2.12.10
 jdk:
   - openjdk8

build.sbt

@@ -6,7 +6,7 @@ description := "Sangria play-json marshalling"
 homepage := Some(url("http://sangria-graphql.org"))
 licenses := Seq("Apache License, ASL Version 2.0" -> url("http://www.apache.org/licenses/LICENSE-2.0"))
 
-scalaVersion := "2.13.0"
+scalaVersion := "2.13.1"
 crossScalaVersions := Seq("2.12.10", scalaVersion.value)
 
 scalacOptions ++= Seq("-deprecation", "-feature")

project/plugins.sbt

@@ -6,5 +6,5 @@ resolvers += Resolver.url(
 addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.13")
 addSbtPlugin("com.jsuereth" % "sbt-pgp" % "2.0.1")
 addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.6.4")
-addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.6.0")
+addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.6.1")
 addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.2.7")