[PRQ#57570] Merge Request for python-sentencepiece

Henry-ZHR [1] filed a request to merge python-sentencepiece [2] into sentencepiece [3]: The python module is now a split package of it [1] https://aur.archlinux.org/account/Henry-ZHR/ [2] https://aur.archlinux.org/pkgbase/python-sentencepiece/ [3] https://aur.archlinux.org/pkgbase/sentencepiece/