Update scalafmt-core to 2.5.3

scala-steward · huiwang · commit bed268af08a6 · 2020-05-30T13:56:03.000+02:00
diff --git a/.scalafmt.conf b/.scalafmt.conf
@@ -1 +1 @@
-version = 2.5.2
+version = 2.5.3
