chore(deps): bump markup5ever_rcdom

Bumps [markup5ever_rcdom](https://github.com/servo/html5ever) from 0.35.0+unofficial to 0.39.0+unofficial.
- [Release notes](https://github.com/servo/html5ever/releases)
- [Commits](https://github.com/servo/html5ever/commits)

---
updated-dependencies:
- dependency-name: markup5ever_rcdom
  dependency-version: 0.39.0+unofficial
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -42,7 +42,7 @@ gpui-component = "0.5.1"
 gpui-component-assets = "0.5.1"
 directories = "6.0"
 image = { version = "0.25", default-features = false, features = ["jpeg", "png"] }
-markup5ever_rcdom = "0.35"
+markup5ever_rcdom = "0.39"
 psl = "2.1"
 reqwest = { version = "0.12", default-features = false, features = ["blocking", "rustls-tls"] }
 rustls = { version = "0.23", default-features = false, features = ["std"] }