Martin von Zweigbergk <martinvonz@google.com> [Fri, 14 Jan 2022 10:25:45 -0800] rev 48554
rust: upgrade `rand*` crates
`test-check-cargo-lock.t` is failing for me and I was hoping this
would help. It doesn't, but we might as well take the upgrade now that
I've done the (small amount of) work for it.
Differential Revision: https://phab.mercurial-scm.org/D12000