build(deps): update zerofrom requirement from =0.1.5 to =0.1.6

Updates the requirements on [zerofrom](https://github.com/unicode-org/icu4x) to permit the latest version.
- [Release notes](https://github.com/unicode-org/icu4x/releases)
- [Changelog](https://github.com/unicode-org/icu4x/blob/main/CHANGELOG.md)
- [Commits](https://github.com/unicode-org/icu4x/commits)

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

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

quic/s2n-quic-qns/Cargo.toml

@@ -32,7 +32,7 @@ tokio = { version = "1", features = ["full"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 url = "2"
-zerofrom = "=0.1.5" # newer versions require rust 1.81
+zerofrom = "=0.1.6" # newer versions require rust 1.81
 
 [target.'cfg(unix)'.dependencies]
 s2n-quic = { path = "../s2n-quic", features = ["provider-event-console-perf", "provider-event-tracing", "provider-tls-rustls", "provider-tls-s2n"] }