Bump base (#6816)
Bump base (#6816)

(https://github.com/koreader/koreader-base/pull/1225)
koreader/koreader,Hzj-jie/koreader,poire-z/koreader,mwoz123/koreader,NiLuJe/koreader,Markismus/koreader,poire-z/koreader,pazos/koreader,NiLuJe/koreader,koreader/koreader,Frenzie/koreader,Frenzie/koreader