[dev-context] CGModules update: Transliterator version 2021-2 published.

Philipp Gesang submitted an update to the Transliterator package. Version number: 2021-2 License type: (unknown license status) Wants to be in ConTeXt distribution: yes Wants to be synced with CTAN: yes Summary description: Inline Transliteration of contemporary and historical cyrillic, glagolitic and greek scripts. Announcement text: ---------------------------------------------------------------------- Bugfix release ----------------------------------------------------------------------