Merge pull request #299 from scala-steward/update/scalafmt-core-3.9.4

Update scalafmt-core to 3.9.4

Author: Philippus

.scalafmt.conf

@@ -1,4 +1,4 @@
-version = 3.9.3
+version = 3.9.4
 runner.dialect = scala213
 maxColumn = 100
 newlines.source = keep