rust Update Rust dependencies

Author: renovate[bot]

Cargo.toml

@@ -31,7 +31,7 @@ keyring = { version = "3.6.3", features = [
 ] }
 oci-client = "0.15.0"
 once_cell = "1.21.3"
-rmcp = { version = "0.6.4", features = [
+rmcp = { version = "0.7.0", features = [
     "server",
     "transport-io",
     "transport-sse-server",