Update sbt to 1.9.9

scala-steward-bot · xuwei-k · commit 52f3cfafc59b · 2024-07-29T05:55:02.000+09:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version = 1.9.8
+sbt.version = 1.9.9
