Bug#1116062: please upgrade crate gix to v0.85

[Eric Dorland]

Control: retitle -1 rust-gix: please upgrade to v0.85

jujutsu wants gix 0.85 for the sha256 support.

-- 
Eric Dorland <e...@kuroneko.ca>
43CF 1228 F726 FD5B 474C  E962 C256 FBD5 0022 1E93