deps: Update reqwest requirement in /crates/tlsn-server

Updates the requirements on [reqwest](https://github.com/seanmonstar/reqwest) to permit the latest version.
- [Release notes](https://github.com/seanmonstar/reqwest/releases)
- [Changelog](https://github.com/seanmonstar/reqwest/blob/master/CHANGELOG.md)
- [Commits](seanmonstar/reqwest@v0.12.0...v0.13.2)

---
updated-dependencies:
- dependency-name: reqwest
  dependency-version: 0.13.2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

crates/tlsn-server/Cargo.toml

@@ -23,7 +23,7 @@ serde_json = "1"
 axum = { version = "0.8", features = ["ws"] }
 tower-http = { version = "0.6", features = ["cors"] }
 uuid = { version = "1", features = ["v4"] }
-reqwest = { version = "0.12", features = ["json"] }
+reqwest = { version = "0.13", features = ["json"] }
 async-tungstenite = { version = "0.28", features = ["tokio-runtime"] }
 ws_stream_tungstenite = "0.14"
 hyper = { version = "1", features = ["http1", "server"] }