Update sbt to 1.4.3 (#319)

scala-steward · web-flow · commit d2d99fee8506 · 2020-11-22T01:40:42.000+01:00
[ci skip]
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.4.2
+sbt.version=1.4.3
