Update sbt to 1.5.3 (scala#141)

scala-steward · web-flow · commit 4c0edd621205 · 2021-06-02T06:07:04.000-07:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.5.2
+sbt.version=1.5.3
