Update sbt to 1.5.7 (#146)

scala-steward · web-flow · commit d0a9d4946adc · 2021-12-16T06:54:35.000-08:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.5.6
+sbt.version=1.5.7
