Log Message:
devel/ruby-gettext: update to 3.3.8

pkgsrc change: update HOMEPAGE.

3.3.8 (2021-06-09)

Improvements

* msginit: Added support for generating plural forms with Unicode's CLDR
  plural rules data. [GitHub#85][Suggested by Michaël Hoste]
* rxgettext ui: Added support for GtkBuilder UI definitions format with
  .glade extension. [GitHub#74][Reported by dorle-o]

Fixes

* rxgettext ruby: Fixed a bug that Nn_ isn't extracted. [GitHub#86][Reported
  by Kai Ramuenke]

Thanks

* Kai Ramuenke
* Michaël Hoste
* dorle-o