Update sbt to 1.9.9 (#232)

scala-steward · web-flow · commit bcbc98ec2831 · 2024-02-26T16:31:49.000-08:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.9.8
+sbt.version=1.9.9
