backprop depends on older vinyl. Add version bounds here to work around bad metadata

cdsmith · cdsmith · commit e461995ba09c · 2023-02-11T06:24:53.000Z
diff --git a/codeworld-available-pkgs/codeworld-available-pkgs.cabal b/codeworld-available-pkgs/codeworld-available-pkgs.cabal
@@ -318,7 +318,8 @@ Library
     vector-binary-instances,
     vector-builder,
     vector-space,
-    vinyl,
+    -- backprop doesn't build with vinyl 0.14
+    vinyl < 0.14,
     void,
     witherable,
     wl-pprint-annotated,
