chore(deps): update sse-stream requirement from 0.1.4 to 0.2.0 (#230)

Updates the requirements on [sse-stream](https://github.com/4t145/sse-stream) to permit the latest version.
- [Release notes](https://github.com/4t145/sse-stream/releases)
- [Commits](4t145/sse-stream@release-0.1.4...release-0.2.0)

---
updated-dependencies:
- dependency-name: sse-stream
  dependency-version: 0.2.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

crates/rmcp/Cargo.toml

@@ -39,7 +39,7 @@ reqwest = { version = "0.12", default-features = false, features = [
     "json",
     "stream",
 ], optional = true }
-sse-stream = { version = "0.1.4", optional = true }
+sse-stream = { version = "0.2.0", optional = true }
 http = { version = "1", optional = true }
 url = { version = "2.4", optional = true }