Update redis requirement from 0.27 to 0.32 in /reference-apps/rust (#22)

Updates the requirements on [redis](https://github.com/redis-rs/redis-rs) to permit the latest version.
- [Release notes](https://github.com/redis-rs/redis-rs/releases)
- [Commits](redis-rs/redis-rs@redis-0.27.0...redis-0.32.7)

---
updated-dependencies:
- dependency-name: redis
  dependency-version: 0.32.7
  dependency-type: direct:production
...

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

Author: dependabot[bot]

reference-apps/rust/Cargo.toml

@@ -16,7 +16,7 @@ env_logger = "=0.11.8"
 tokio-postgres = "0.7"
 mysql_async = "0.36"
 mongodb = "3.1"
-redis = { version = "0.27", features = ["tokio-comp", "cluster-async"] }
+redis = { version = "0.32", features = ["tokio-comp", "cluster-async"] }
 lapin = "3.7"
 prometheus = "0.14"
 lazy_static = "1.4"