Update sbt to 1.9.1

scala-steward · xuwei-k · commit a6f8ca19a547 · 2023-07-01T09:21:39.000+09:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.9.0
+sbt.version=1.9.1
