Bump rand from 0.8.4 to 0.8.5 (#3963)

Bumps [rand](https://github.com/rust-random/rand) from 0.8.4 to 0.8.5.
- [Release notes](https://github.com/rust-random/rand/releases)
- [Changelog](https://github.com/rust-random/rand/blob/master/CHANGELOG.md)
- [Commits](rust-random/rand@0.8.4...0.8.5)

---
updated-dependencies:
- dependency-name: rand
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -34,7 +34,7 @@ tokio-stream = { version = "0.1.4", features = ["sync"] }
 tokio-util = { version = "0.6.0", features = ["time"] }
 tonic = "0.4"
 multiaddr = { package = "parity-multiaddr", version = "0.11" }
-rand = "0.8.3"
+rand = "0.8.5"
 rand_chacha = "0.3.0"
 base64 = "0.13.0"
 lazy_static = "1.4"