Update quick-xml requirement from 0.36 to 0.38 in /ext/parsekit

Updates the requirements on [quick-xml](https://github.com/tafia/quick-xml) to permit the latest version.
- [Release notes](https://github.com/tafia/quick-xml/releases)
- [Changelog](https://github.com/tafia/quick-xml/blob/master/Changelog.md)
- [Commits](tafia/quick-xml@v0.36.0...v0.38.2)

---
updated-dependencies:
- dependency-name: quick-xml
  dependency-version: 0.38.2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

ext/parsekit/Cargo.toml

@@ -33,4 +33,4 @@ bundled-tesseract = []
 [profile.release]
 opt-level = 3
 lto = true
-codegen-units = 1
+codegen-units = 1