Update sbt, scripted-plugin to 1.12.9

typelevel-steward[bot] · typelevel-steward[bot] · commit 4fdcda59e9fc · 2026-04-07T05:00:04.000Z
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.12.8
+sbt.version=1.12.9
