chore(deps)(deps): bump roxmltree from 0.20.0 to 0.21.1

Bumps [roxmltree](https://github.com/RazrFalcon/roxmltree) from 0.20.0 to 0.21.1.
- [Changelog](https://github.com/RazrFalcon/roxmltree/blob/master/CHANGELOG.md)
- [Commits](RazrFalcon/roxmltree@v0.20.0...v0.21.1)

---
updated-dependencies:
- dependency-name: roxmltree
  dependency-version: 0.21.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -65,7 +65,7 @@ indicatif = "0.18"
 portable-pty = "0.9"
 serde_json_path = "0.7"
 toml = "1.1"
-roxmltree = "0.20"
+roxmltree = "0.21"
 
 # LSP server, slated for v0.11. Crate-choice rationale (`tower-lsp`
 # over `lsp-server`) is in `docs/design/v0.11/lsp_server.md`.