Update sbt to 1.3.4

scala-steward · scala-steward · commit 838e3e3474e4 · 2019-11-23T07:17:09.000+01:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.3.3
+sbt.version=1.3.4
