chore(cargo): update redis requirement from 0.27.5 to 0.28.1

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-0.27.5...redis-0.28.1)

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

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

Cargo.toml

@@ -37,7 +37,7 @@ reqwest_cookie_store = "0.8"
 typed-builder = "0.20"
 fang = { version = "0.10.3", features = ["asynk"], default-features = false }
 redis-macros = { version = "0.4.2", optional = true }
-redis = { version = "0.27.5", optional = true, features = [
+redis = { version = "0.28.1", optional = true, features = [
     "tokio-comp",
     "aio",
 ] }