Update hashlink requirement from 0.11.0 to 0.12.0

Updates the requirements on [hashlink](https://github.com/djc/hashlink) to permit the latest version.
- [Release notes](https://github.com/djc/hashlink/releases)
- [Changelog](https://github.com/djc/hashlink/blob/main/CHANGELOG.md)
- [Commits](https://github.com/djc/hashlink/compare/v0.11.0...v0.12.0)

---
updated-dependencies:
- dependency-name: hashlink
  dependency-version: 0.12.0
  dependency-type: direct:production
...

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

Cargo.toml

@@ -35,7 +35,7 @@ ctrlc2 = { version = "4.0.0", features = ["async", "termination"] }
 digest_auth = "0.3.1"
 dotenvy = "0.15.7"
 env_logger = "0.11.10"
-hashlink = "0.11.0"
+hashlink = "0.12.0"
 hickory-proto = "0.26.1"
 httparse = "1.10.1"
 ipstack = { version = "1.0.0" }