Update sbt to 1.9.0 (#253)

scala-steward · web-flow · commit d56d02ca4fa6 · 2023-06-09T08:01:43.000+01:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.3
+sbt.version=1.9.0
