bump scalachess to fix runtime error

Author: allanjoseph98

build.sbt

@@ -16,7 +16,7 @@ val arch_ = arch.replace("-", "_")
 val pekkoVersion = "1.1.3"
 val kamonVersion = "2.7.5"
 val nettyVersion = "4.1.116.Final"
-val chessVersion = "16.6.0"
+val chessVersion = "17.2.0"
 
 lazy val `lila-ws` = project
   .in(file("."))