Update Scala versions

Author: thesamet

build.sbt

@@ -10,7 +10,7 @@ scalacOptions := Seq("-deprecation", "-unchecked", "-Xlint", "-Yno-adapted-args"
 
 scalacOptions += "-target:jvm-1.8"
 
-scalaVersion := "2.12.12"
+scalaVersion := "2.12.13"
 
 addSbtPlugin("org.portable-scala" % "sbt-platform-deps" % "1.0.0")
 

examples/google-apis-external-jar/build.sbt

@@ -2,7 +2,7 @@ import scalapb.compiler.Version.scalapbVersion
 
 val GrpcProtosArtifact = "com.google.api.grpc" % "grpc-google-common-protos" % "1.17.0"
 
-scalaVersion := "2.12.10"
+scalaVersion := "2.12.13"
 
 // This sub-project will hold the compiled Scala classes from the external
 // jar.

examples/scalapb-crossproject/build.sbt

@@ -20,8 +20,8 @@ lazy val example = crossProject(JSPlatform, JVMPlatform, NativePlatform)
   .in(file("."))
   .enablePlugins(BuildInfoPlugin)
   .settings(sharedSettings)
-  .jsSettings(crossScalaVersions := Seq("2.12.10", "2.13.1"))
-  .jvmSettings(crossScalaVersions := Seq("2.12.10", "2.13.1"))
+  .jsSettings(crossScalaVersions := Seq("2.12.13", "2.13.4"))
+  .jvmSettings(crossScalaVersions := Seq("2.12.13", "2.13.4"))
   .nativeSettings(crossScalaVersions := Seq("2.11.12"))
 
 lazy val exampleJS = example.js