hashable-1.4.7.0: allow tasty-quickcheck >= 0.11

[sternenseemann]

Test suite builds and passes fine with that combination.

I actually wanted to create a PR for this to help with 1.4.* maintenance, but it seems like the release-1.4 branch hasn't been created yet?

[phadej]

I generally don't make test only revisions.

[sternenseemann]

Given that there may be a hashable-1.4.7.1 release as indicated by the release notes for 1.5.0.0, this could still be addressed?

[phadej]

this could still be addressed?

It will be addressed then as a part of release preparation.