p5-LaTeX-Driver: update to 1.1.1.

1.1.1  2020-07-29
  - Fix version number presented in the POD VERSION section
  - Remove duplication in listed formats

1.1.0  2020-07-29
  - Fix RT #133061: typo in @PROCESSORS ('lulaatex')
  - Add documentation of the supported processor/format combinations
  - Add LuaLaTeX as a processor/format combination

1.0.0  2020-05-21
  - Improve error reported when invoked external program is missing
  - Fix RT #127951: failing tests on some installations

(wiz)