Update sbt to 1.5.8 (#147)

scala-steward · web-flow · commit 05cd652da42d · 2021-12-21T11:28:16.000-08:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.5.7
+sbt.version=1.5.8
