Update ring requirement from 0.16.20 to 0.17.4

Updates the requirements on [ring](https://github.com/briansmith/ring) to permit the latest version.
- [Commits](https://github.com/briansmith/ring/commits)

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

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

Cargo.toml

@@ -20,7 +20,7 @@ base64 = "0.21"
 dirs-next = "2.0"
 hyper = { version = "0.14.2", features = ["client", "runtime", "http2"] }
 hyper-rustls = { version = "0.24", default-features = false, features = ["tokio-runtime", "http1", "http2"] }
-ring = "0.16.20"
+ring = "0.17.4"
 rustls = "0.21"
 rustls-pemfile = "1.0.0"
 serde = { version = "1.0", features = ["derive", "rc"] }