docs: add full v0.18.1 changelog

docs/changelogs/v0.18.md

@@ -47,9 +47,27 @@ More updates are likely in future Kubo releases, but with this release:
 1. ``System.StreamsInbound`` is no longer bounded directly
 2. ``System.ConnsInbound``, ``Transient.Memory``, ``Transiet.ConnsInbound`` have higher default computed values.
 
-### 📝 Changelog
+### Changelog
 
-### 👨‍👩‍👧‍👦 Contributors
+<details><summary>Full Changelog</summary>
+
+- github.com/ipfs/kubo:
+  - Add overview section
+  - Adjust inbound connection limits depending on memory.
+  - feat: Pubsub.SeenMessagesStrategy (#9543) ([ipfs/kubo#9543](https://github.com/ipfs/kubo/pull/9543))
+  - chore: update version
+- github.com/libp2p/go-libp2p-pubsub (v0.8.2 -> v0.8.3):
+  - feat: expire messages from the cache based on last seen time (#513) ([libp2p/go-libp2p-pubsub#513](https://github.com/libp2p/go-libp2p-pubsub/pull/513))
+
+</details>
+
+### Contributors
+
+| Contributor | Commits | Lines ± | Files Changed |
+|-------------|---------|---------|---------------|
+| Mohsin Zaidi | 2 | +511/-55 | 12 |
+| Antonio Navarro Perez | 2 | +57/-57 | 5 |
+| galargh | 1 | +1/-1 | 1 |
 
 ## v0.18.0