chore(deps): Bump rmcp from 0.5.0 to 0.9.1 (microsoft#591)

Bumps [rmcp](https://github.com/modelcontextprotocol/rust-sdk) from 0.5.0 to 0.9.1.
- [Release notes](https://github.com/modelcontextprotocol/rust-sdk/releases)
- [Commits](modelcontextprotocol/rust-sdk@rmcp-v0.5.0...rmcp-v0.9.1)

---
updated-dependencies:
- dependency-name: rmcp
  dependency-version: 0.9.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -23,7 +23,7 @@ oci-client = "0.15"
 oci-wasm = "0.3"
 policy = { path = "crates/policy" }
 reqwest = "0.12"
-rmcp = "0.5.0"
+rmcp = "0.9.1"
 serde = "1.0"
 serde_json = "1.0"
 serde_yaml = "0.9"