* Make Cabal-hooks version track Cabal version

As pointed out in #10412, it isn't currently feasible to version the
Cabal-hooks version separately from Cabal due to the large amount of
re-exports (in particular the LocalBuildInfo type and its dependencies).

For the time being, we will version Cabal-hooks along with the major
Cabal library version.

* Update Cabal-hooks/changelog.md