Spacy-lookups-data

- Use `importlib.resources` instead of `pkg_resources` for python 3.9+ (45)

* Add lookup tables for Ancient Greek
* Update rule-based tables for Catalan
* Add POS-based lookup tables for Irish

Thanks to c-armentano, jimregan and jmyerston for their contributions!

* Update Greek lemmatizer data
* Add new Russian lookup table
* Add new Italian lookup-by-POS tables
* Add new/updated Catalan lookup and rule-based tables

Thanks to gtoffoli, JVass, kosniaz, mirfan899 and nikolettaventoura for their contributions!

* Add `lemma_lookup` data for Luxembourgish.
* Correct mistakes in German `lemma_lookup` data.
* Correct mistakes in Greek `lemma_lookup` data.

Thanks to PeterGilles, jsalbr and GiorgioPorgio for the pull requests!