chore(deps): bump reqwest in /reference-apps/rust

Bumps [reqwest](https://github.com/seanmonstar/reqwest) from 0.12.27 to 0.12.28.
- [Release notes](https://github.com/seanmonstar/reqwest/releases)
- [Changelog](https://github.com/seanmonstar/reqwest/blob/master/CHANGELOG.md)
- [Commits](seanmonstar/reqwest@v0.12.27...v0.12.28)

---
updated-dependencies:
- dependency-name: reqwest
  dependency-version: 0.12.28
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

reference-apps/rust/Cargo.lock

@@ -9,7 +9,7 @@ actix-cors = "0.7"
 tokio = { version = "1.49", features = ["full"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-reqwest = { version = "=0.12.27", default-features = false, features = ["json", "rustls-tls-native-roots"] }
+reqwest = { version = "=0.12.28", default-features = false, features = ["json", "rustls-tls-native-roots"] }
 chrono = { version = "=0.4.43" }
 log = "0.4"
 env_logger = "=0.11.8"