Update sbt to 1.5.3 (#133)

scala-steward · web-flow · commit ea53a8b5c420 · 2021-06-01T07:59:31.000-07:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.5.2
+sbt.version=1.5.3
