chore(deps): Update dependency sbt/sbt to v1.9.6

renovate[bot] · j5ik2o · commit 135d9e4596bd · 2023-09-24T14:32:13.000+09:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version = 1.9.3
+sbt.version = 1.9.6
