Bump hashable upper bound

Author: davidsd

distributed-process.cabal

@@ -1,5 +1,5 @@
 Name:          distributed-process
-Version:       0.7.5
+Version:       0.7.6
 Cabal-Version: >=1.10
 Build-Type:    Simple
 License:       BSD3
@@ -43,7 +43,7 @@ flag old-locale
 Library
   Build-Depends:     base >= 4.9 && < 5,
                      binary >= 0.6.3 && < 0.10,
-                     hashable >= 1.2.0.5 && <= 1.4.3.0,
+                     hashable >= 1.2.0.5 && < 1.5,
                      network-transport >= 0.4.1.0 && < 0.6,
                      stm >= 2.4 && < 2.6,
                      transformers >= 0.2 && < 0.7,