federation-api: Update CHANGELOG
Improvements:
* Add support for the space summary API in `space::get_hierarchy` according to MSC2946.
+* Add `transactions::edu::Edu::SigningKeyUpdate` according to MSC1756
+* Add Add cross-signing fields to `get_devices::Response` according to MSC1756
+* Add unstable endpoint `discovery::get_server_versions` according to MSC3723
# 0.4.0
@@ -19,6 +22,7 @@ Improvements:
* `knock:::send_knock::v1::Request` requires a PDU instead of the `knock_event`
* Move cross-signing properties of `keys::get_keys::v1::Response` out of `unstable-pre-spec`
* Move MSC implementations from `unstable-pre-spec` to per-msc features:
+
```
unstable-msc2448
unstable-msc3618
@@ -40,12 +44,14 @@ Breaking changes:
Improvements:
* Add more endpoints:
+
```rust
knock::{
create_knock_event::v1,
send_knock::v1,
}
```
+
* Add unstable support for room knocking.
# 0.2.0
