chore: update everything to work with utoipa

crates/delta/src/routes/channels/members_fetch.rs

@@ -12,7 +12,7 @@ use rocket::{serde::json::Json, State};
 /// Retrieves all users who are part of this group.
 ///
 /// This may not return full user information if users are not friends but have mutual connections.
-#[openapi(tag = "Groups")]
+#[utoipa::path(tag = "Groups")]
 #[get("/<target>/members")]
 pub async fn fetch_members(
     db: &State<Database>,