Update sbt-scalajs to 1.1.0 (scala#281)

Author: scala-steward

.travis.yml

@@ -13,15 +13,15 @@ scala:
 env:
   - ADOPTOPENJDK=8     SCALAJS_VERSION=
   - ADOPTOPENJDK=8     SCALAJS_VERSION=0.6.33
-  - ADOPTOPENJDK=8     SCALAJS_VERSION=1.0.1
+  - ADOPTOPENJDK=8     SCALAJS_VERSION=1.1.0
   - ADOPTOPENJDK=11    SCALAJS_VERSION=
 
 matrix:
   exclude:
     - scala: 0.24.0-RC1
       env: ADOPTOPENJDK=8     SCALAJS_VERSION=0.6.33
     - scala: 0.24.0-RC1
-      env: ADOPTOPENJDK=8     SCALAJS_VERSION=1.0.1
+      env: ADOPTOPENJDK=8     SCALAJS_VERSION=1.1.0
   include:
     - scala: 2.11.12
       env: ADOPTOPENJDK=8     SCALANATIVE_VERSION=0.3.9