add Scala 3.0.0 to crossbuild (and drop 3.0.0-RC2) (#181)

SethTisue · web-flow · commit df084bef2f2a · 2021-05-13T12:04:32.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,8 +5,8 @@ import: scala/scala-dev:travis/default.yml
 language: scala
 
 scala:
+  - 3.0.0
   - 3.0.0-RC3
-  - 3.0.0-RC2
   - 2.13.5
 
 env:
