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-version: 0.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -65,4 +65,4 @@ oauth2 = { version = "5", default-features = false }
 http = { version = "1", default-features = false }
 # Keep keycloak versions in sync (search for this comment to find all places to update)
 keycloak = "26.3.202"
-rand_chacha = { version = "0.3", default-features = false }
+rand_chacha = { version = "0.9", default-features = false }