Relax hashable version bound

Author: awjchen

ekg-core.cabal

@@ -41,7 +41,7 @@ library
     base >= 4.6 && < 4.15,
     atomic-primops ^>= 0.8.4,
     containers >= 0.5 && < 0.7,
-    hashable >= 1.3.1.0 && < 1.4,
+    hashable >= 1.3.0.0 && < 1.4,
     primitive ^>= 0.7.1.0,
     text < 1.3,
     unordered-containers < 0.3