Update sbt to 1.5.1 (#446)

scala-steward · web-flow · commit 75088670528c · 2021-04-26T09:52:25.000-07:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.5.0
+sbt.version=1.5.1
