Update scalafmt-core to 3.7.0

http4s-steward[bot] · http4s-steward[bot] · commit 8038fb4882b6 · 2023-01-19T01:46:02.000Z
diff --git a/.scalafmt.conf b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.6.1
+version = 3.7.0
 
 runner.dialect = Scala213Source3
 
