Update multiaddr CHANGELOG.
+# 0.9.6 [unreleased]
+
+- Move the `from_url` module and functionality behind the `url` feature,
+ enabled by default.
+ [PR 1843](https://github.com/libp2p/rust-libp2p/pull/1843).
+
# 0.9.5 [2020-11-14]
- Limit initial memory allocation in `visit_seq`.
