Update scalafmt-core to 3.8.4

scala-center-steward[bot] · scala-center-steward[bot] · commit 870a3421696e · 2025-01-14T00:26:36.000Z
diff --git a/.scalafmt.conf b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = "3.8.3"
+version = "3.8.4"
 runner.dialect = scala213
 maxColumn = 120
 align.preset = most
