Update ruma-client-api

Cargo.lock

@@ -1052,7 +1052,7 @@ dependencies = [
 [[package]]
 name = "ruma-client-api"
 version = "0.7.2"
-source = "git+https://github.com/ruma/ruma-client-api.git#dc582758e4f846b3751d84d21eb321e8eb4faf51"
+source = "git+https://github.com/ruma/ruma-client-api.git#aeb4e237b7f13a068a92929fdb5c5adac4f346e1"
 dependencies = [
  "http",
  "js_int",

src/main.rs

@@ -118,10 +118,9 @@ fn register_route(
     data.token_replace(&user_id, &device_id, token.clone());
 
     MatrixResult(Ok(register::Response {
-        access_token: token,
-        home_server: data.hostname().to_owned(),
+        access_token: Some(token),
         user_id,
-        device_id,
+        device_id: Some(device_id),
     }))
 }