enforce consistent scala syntax (curly braces) (#350)

Co-authored-by: Malte Kraus <malte.kraus@harness.io>

Author: maltek

build.sbt

@@ -209,7 +209,9 @@ ThisBuild / scalacOptions ++= Seq(
   "-deprecation",
   "-feature",
   "--release", "8",
-  "-language:implicitConversions"
+  "-language:implicitConversions",
+  "-old-syntax",
+  "-no-indent"
 )
 
 val scalacOptionsFor2_12 = Seq(