Bump roxmltree from 0.20.0 to 0.21.1 (#1029)

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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -54,7 +54,7 @@ regex = "1.12"
 reqwest = "0.12.24"
 rocket = "0.5"
 rocket_dyn_templates = "0.2.0"
-roxmltree = "0.20"
+roxmltree = "0.21"
 rstest = "0.26"
 rstest_reuse = "0.7.0"
 rustls = "0.23.35"