Bump libbf dependency

LeventErkok · LeventErkok · commit 720255d2a843 · 2024-06-06T14:23:52.000-07:00
diff --git a/sbv.cabal b/sbv.cabal
@@ -97,7 +97,7 @@ Library
                   , text
                   , directory
                   , time
-                  , libBF            >= 0.6.7
+                  , libBF            >= 0.6.8
                   , process
                   , syb
                   , uniplate
