chore(deps): update tower-http requirement from 0.6 to 0.7 (modelcontextprotocol#906)

Updates the requirements on [tower-http](https://github.com/tower-rs/tower-http) to permit the latest version.
- [Release notes](https://github.com/tower-rs/tower-http/releases)
- [Commits](tower-rs/tower-http@tower-http-0.6.0...tower-http-0.7.0)

---
updated-dependencies:
- dependency-name: tower-http
  dependency-version: 0.7.0
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

examples/servers/Cargo.toml

@@ -40,7 +40,7 @@ chrono = "0.4"
 uuid = { version = "1.6", features = ["v4", "serde"] }
 serde_urlencoded = "0.7"
 askama = { version = "0.16" }
-tower-http = { version = "0.6", features = ["cors"] }
+tower-http = { version = "0.7", features = ["cors"] }
 hyper = { version = "1" }
 hyper-util = { version = "0", features = ["server"] }
 tokio-util = { version = "0.7" }