Update sbt to 1.5.7

scala-steward · scala-steward · commit d0bc150a087a · 2021-12-16T11:14:22.000+01:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.5.6
+sbt.version=1.5.7
