Upgrade Scala version from 2.12.3 to 2.12.4 (latest 2.12.x)

Author: gslowikowski

.travis.yml

@@ -10,7 +10,7 @@ matrix:
     - jdk: oraclejdk7
       scala: 2.11.11
     - jdk: oraclejdk8
-      scala: 2.12.3
+      scala: 2.12.4
     - jdk: oraclejdk8
       scala: 2.13.0-M1
 

build.sbt

@@ -12,8 +12,8 @@ val ScalatestVersion = "3.0.3"
 
 val appSettings = Seq(
     organization := Org,
-    scalaVersion := "2.12.3",
-    crossScalaVersions := Seq("2.10.6", "2.11.11", "2.12.3", "2.13.0-M1"),
+    scalaVersion := "2.12.4",
+    crossScalaVersions := Seq("2.10.6", "2.11.11", "2.12.4", "2.13.0-M1"),
     fork in Test := false,
     publishMavenStyle := true,
     publishArtifact in Test := false,