build(deps): bump rand_chacha from 0.3.1 to 0.9.0

Bumps [rand_chacha](https://github.com/rust-random/rand) from 0.3.1 to 0.9.0.
- [Release notes](https://github.com/rust-random/rand/releases)
- [Changelog](https://github.com/rust-random/rand/blob/master/CHANGELOG.md)
- [Commits](rust-random/rand@rand_chacha-0.3.1...0.9.0)

---
updated-dependencies:
- dependency-name: rand_chacha
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Diff for: Cargo.lock

@@ -33,7 +33,7 @@ cpufeatures = "0.2"
 [dev-dependencies]
 cipher = { version = "=0.5.0-pre.7", features = ["dev"] }
 hex-literal = "0.4"
-rand_chacha = "0.3.1"
+rand_chacha = "0.9.0"
 serde_json = "1.0" # Only to test serde1
 
 [features]