Fix rank overflow in zslInsert with more than 2B entries. (#9249)
Fix rank overflow in zslInsert with more than 2B entries. (#9249)

If there are more than 2B entries in a zset.
The calculated span will overflow.
neomantra/redis,ofirluzon/redis,antirez/redis,yossigo/redis,oranagra/redis,charsyam/redis,PKRoma/redis,ofirluzon/redis,oranagra/redis,oranagra/redis,ofirluzon/redis,soloestoy/redis,charsyam/redis,soloestoy/redis,yossigo/redis,charsyam/redis,soloestoy/redis,neomantra/redis,antirez/redis,PKRoma/redis,PKRoma/redis,ofirluzon/redis,oranagra/redis,PKRoma/redis,antirez/redis,neomantra/redis,PKRoma/redis,charsyam/redis,antirez/redis,yossigo/redis,neomantra/redis,yossigo/redis,soloestoy/redis,neomantra/redis,yossigo/redis,oranagra/redis,ofirluzon/redis,charsyam/redis,soloestoy/redis