Update sbt to 1.9.6 (#223)

scala-steward · web-flow · commit 5c784e956dab · 2023-09-18T15:55:37.000+02:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version = 1.9.4
+sbt.version = 1.9.6
