Update sbt to 1.9.1

scala-steward · scala-steward · commit dc9b4d9f6db5 · 2023-06-30T00:43:29.000Z
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.9.0
+sbt.version=1.9.1
