Update sbt to 1.4.7 (#206)

scala-steward · web-flow · commit d1013f8cc783 · 2021-02-07T13:08:49.000-08:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.4.6
+sbt.version=1.4.7
