Use regex-tdfa instead of regex-compat-tdfa
remove obsolete regex-compat-tdfa dependency from hledger
require latest pretty-show to allow install with standard happy and fix hackage docs
bump version to 0.22.1
docs: release notes
tools: I think we're using simple git tags now
tools: disable some failing release test scripts
Merge branch 'release-0.22.1'

Conflicts:
	NEWS.md
	hledger-lib/hledger-lib.cabal