chore: Update CHANGELOG.md to reflect bug fix for issue #2317 (#2340) in v0.23.1

Author: Ivansete-status

CHANGELOG.md

@@ -1,3 +1,27 @@
+## v0.23.1 (2023-01-09)
+
+This patch release fixes the following bug:
+- Sort order ignored in store nodes.
+
+### Bug Fix
+
+- Bug definition: [#2317](https://github.com/waku-org/nwaku/issues/2317)
+- Commit that fixes the bug [fae20bff](https://github.com/waku-org/nwaku/commit/fae20bff)
+
+This is a patch release that is fully backwards-compatible with release `v0.23.0`.
+
+It supports the same [libp2p protocols](https://docs.libp2p.io/concepts/protocols/):
+| Protocol | Spec status | Protocol id |
+| ---: | :---: | :--- |
+| [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `stable` | `/vac/waku/relay/2.0.0` |
+| [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` <br />`/vac/waku/filter-subscribe/2.0.0-beta1` <br />`/vac/waku/filter-push/2.0.0-beta1` |
+| [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta4` |
+| [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` |
+| [`66/WAKU2-METADATA`](https://rfc.vac.dev/spec/66/) | `raw` | `/vac/waku/metadata/1.0.0` |
+
+The Waku v1 implementation has been removed from this repository and can be found in a separate [Waku Legacy](https://github.com/waku-org/waku-legacy) repository.
+
+
 ## v0.23.0 (2023-12-18)
 
 ## What's Changed