ghc-optparse-applicative-0.12.1.0-2.3

- Update to version 0.12.1.0 revision 0 with cabal2obs.

- update to 0.12.1.0
  * Improve subparser contexts to improve usage error texts
  * Fixed bugs

- update to 0.12.0.0
  * Add "missing" error condition descriptions when required flags and arguments
    are not provided.
  * Allow multiple short flags to be concatenated together behind a single
    hyphen, e.g. "-xcf".
  * Updated dependency bounds on process and ansi-wl-pprint.
  * Add Show and Eq instances to some types for easier debugging.
  * Add defaultPrefs, a default preferences value

- initial commit