git-annex: replacing optparse-applicative needs a deep override

 | Warning: This package indirectly depends on multiple versions of the same
 | package. This is highly likely to cause a compile failure.
 | package wai-app-static-3.1.6.1 requires optparse-applicative-0.13.2.0
 | package tasty-rerun-1.1.6 requires optparse-applicative-0.13.2.0
 | package tasty-0.11.2.1 requires optparse-applicative-0.13.2.0
 | package git-annex-6.20170520 requires optparse-applicative-0.14.0.0