Update sbt to 1.3.6 (#146)

scala-steward · alexarchambault · commit f29bc1e64aca · 2019-12-27T15:48:32.000+01:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.3.5
+sbt.version=1.3.6
