Update scalafmt-core to 3.0.4

scala-steward · scala-steward · commit 3a1b39b36584 · 2021-09-17T19:49:40.000+02:00
diff --git a/.scalafmt.conf b/.scalafmt.conf
@@ -1 +1 @@
-version = "3.0.3"
+version = "3.0.4"
