Update Rust crate ruma to 0.9.0

Author: renovate[bot]

Cargo.toml

@@ -22,7 +22,7 @@ serde = "1.0.158"
 serde_json = "1.0.94"
 serde_yaml = "0.9.19"
 matrix-sdk = "0.3.0"
-ruma = "0.2.0"
+ruma = "0.9.0"
 actix = "0.13.0"
 actix-web = "4.3.1"
 url = "2.2.2"