Update sbt to 1.9.1

scala-steward · scala-steward · commit a6e215b500f0 · 2023-06-27T00:16:30.000Z
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.9.0
+sbt.version=1.9.1
