Update sbt to 1.9.9 (#189)

scala-steward · web-flow · commit c4f7cabe3fc7 · 2024-03-14T16:17:40.000+01:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.9.8
+sbt.version=1.9.9
