Merge branch 'l10n-ga-2.53' of github.com:aindriu80/git-po

* 'l10n-ga-2.53' of github.com:aindriu80/git-po:
  l10n: ga.po: Fix git-po-helper warnings
  l10n: ga.po: Update Irish translation for Git 2.53

Author: jiangxin