Merge branch 'ab/mark-leak-free-tests-even-more'

More tests are marked as leak-free.

* ab/mark-leak-free-tests-even-more:
  leak tests: mark some fast-import tests as passing with SANITIZE=leak
  leak tests: mark some config tests as passing with SANITIZE=leak
  leak tests: mark some status tests as passing with SANITIZE=leak
  leak tests: mark some clone tests as passing with SANITIZE=leak
  leak tests: mark some add tests as passing with SANITIZE=leak
  leak tests: mark some diff tests as passing with SANITIZE=leak
  leak tests: mark some apply tests as passing with SANITIZE=leak
  leak tests: mark some notes tests as passing with SANITIZE=leak
  leak tests: mark some update-index tests as passing with SANITIZE=leak
  leak tests: mark some rev-parse tests as passing with SANITIZE=leak
  leak tests: mark some rev-list tests as passing with SANITIZE=leak
  leak tests: mark some misc tests as passing with SANITIZE=leak
  leak tests: mark most gettext tests as passing with SANITIZE=leak
  leak tests: mark "sort" test as passing SANITIZE=leak
  leak tests: mark a read-tree test as passing SANITIZE=leak