Update sbt-scalajs to 0.6.29

Author: scala-steward

.travis.yml

@@ -7,14 +7,14 @@ scala:
 
 env:
   - SCALAJS_VERSION=         ADOPTOPENJDK=8
-  - SCALAJS_VERSION=0.6.28   ADOPTOPENJDK=8
+  - SCALAJS_VERSION=0.6.29   ADOPTOPENJDK=8
   - SCALAJS_VERSION=1.0.0-M8 ADOPTOPENJDK=8
   - SCALAJS_VERSION=         ADOPTOPENJDK=11
 
 matrix:
   exclude:
     - scala: 0.18.1-RC1
-      env: SCALAJS_VERSION=0.6.28   ADOPTOPENJDK=8
+      env: SCALAJS_VERSION=0.6.29   ADOPTOPENJDK=8
     - scala: 0.18.1-RC1
       env: SCALAJS_VERSION=1.0.0-M8 ADOPTOPENJDK=8
 

project/plugins.sbt

@@ -1,5 +1,5 @@
 val scalaJSVersion =
-  Option(System.getenv("SCALAJS_VERSION")).filter(_.nonEmpty).getOrElse("0.6.28")
+  Option(System.getenv("SCALAJS_VERSION")).filter(_.nonEmpty).getOrElse("0.6.29")
 
 addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module" % "2.1.2")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "0.6.1")