Set default Scalafmt dialect to scala212source3

Atry · web-flow · commit 0bb0dcd6d1f7 · 2023-01-09T12:02:40.000-08:00
diff --git a/.scalafmt.conf b/.scalafmt.conf
@@ -1,3 +1,3 @@
-runner.dialect = "scala213"
+runner.dialect = scala212source3
 version = "3.1.1"
 maxColumn = 80
