fixes #8510 - ignore gettext load failures in production without it
gettext is only used when loading gettext_i18n_rails 1.x rake tasks, so it's only marked as a development dependency. In production we won't have it, but still ship this .rake file, so permit loading to fail.
Related issues
Bug #8510: gettext_i18n_rails 1.x causes "cannot load such file -- gettext/tools/task" in production
fixes #8510 - ignore gettext load failures in production without it
gettext is only used when loading gettext_i18n_rails 1.x rake tasks, so it's
only marked as a development dependency. In production we won't have it, but
still ship this .rake file, so permit loading to fail.