[doc] Update busted version mentioned in docs (#9078)
[doc] Update busted version mentioned in docs (#9078)


Frenzie/koreader,koreader/koreader,NiLuJe/koreader,poire-z/koreader,poire-z/koreader,NiLuJe/koreader,koreader/koreader,Frenzie/koreader