docs: add webrtc-direct fixes to 0.33 release changelog (#10688)

(cherry picked from commit e08c7cb)

docs/changelogs/v0.33.md

@@ -16,6 +16,7 @@
   - [New options for faster writes: `WriteThrough`, `BlockKeyCacheSize`, `BatchMaxNodes`, `BatchMaxSize`](#new-options-for-faster-writes-writethrough-blockkeycachesize-batchmaxnodes-batchmaxsize)
   - [MFS stability with large number of writes](#mfs-stability-with-large-number-of-writes)
   - [New DoH resolvers for non-ICANN DNSLinks](#new-doh-resolvers-for-non-icann-dnslinks)
+  - [Reliability improvements to the WebRTC Direct listener](#reliability-improvements-to-the-web-rtc-direct-listener)
   - [📦️ Important dependency updates](#-important-dependency-updates)
   - [Escape Redirect URL for Directory](#escape-redirect-url-for-directory)
 - [📝 Changelog](#-changelog)
@@ -99,6 +100,14 @@ We have fixed a number of issues that were triggered by writing or copying many
 - `.eth` TLD DNSLinks are now resolved via [DNS-over-HTTPS](https://en.wikipedia.org/wiki/DNS_over_HTTPS) endpoint at `https://dns.eth.limo/dns-query`
 - `.crypto` TLD DNSLinks are now resolved via DoH endpoint at `https://resolver.unstoppable.io/dns-query`
 
+#### Reliability improvements to the WebRTC Direct listener
+
+Two fixes in go-libp2p improve the reliability of the WebRTC Direct listener in Kubo, and by extension dialability from browsers. 
+
+Relevant changes in go-libp2p:
+- [Deprioritising outgoing `/webrtc-direct`](https://github.com/libp2p/go-libp2p/pull/3078) dials.
+- [Allows more concurrent handshakes by default](https://github.com/libp2p/go-libp2p/pull/3040/).
+
 #### 📦️ Important dependency updates
 
 - update `boxo` to [v0.27.2](https://github.com/ipfs/boxo/releases/tag/v0.27.2) (incl. [v0.25.0](https://github.com/ipfs/boxo/releases/tag/v0.25.0) + [v0.26.0](https://github.com/ipfs/boxo/releases/tag/v0.26.0) + [v0.27.0](https://github.com/ipfs/boxo/releases/tag/v0.27.0) + [v0.27.1](https://github.com/ipfs/boxo/releases/tag/v0.27.1))