Relax testsuite dependencies

Author: adamgundry

api-tools.cabal

@@ -194,9 +194,9 @@ Test-Suite test-api-tools
         containers,
         safecopy,
         serialise,
-        tasty                >= 0.10.1   && < 1.5 ,
-        tasty-hunit          >= 0.2      && < 10.0,
-        tasty-quickcheck     >= 0.3      && < 0.11,
+        tasty                >= 0.10.1   && < 1.6 ,
+        tasty-hunit          >= 0.2      && < 0.11,
+        tasty-quickcheck     >= 0.3      && < 0.12,
         time,
         template-haskell,
         text,