Increase upper bound on exceptions (#325)

Author: Gabriella439

dhall.cabal

@@ -161,7 +161,7 @@ Library
         containers                  >= 0.5.0.0  && < 0.6 ,
         contravariant                            < 1.5 ,
         cryptonite                  >= 0.23     && < 1.0 ,
-        exceptions                  >= 0.8.3    && < 0.10,
+        exceptions                  >= 0.8.3    && < 0.11,
         directory                   >= 1.3      && < 1.4 ,
         filepath                    >= 1.4      && < 1.5 ,
         http-client                 >= 0.4.30   && < 0.6 ,