[pip][dev] (deps-dev): Bump junit-xml

Bumps the dev-dependencies group with 1 update in the / directory: [junit-xml](https://github.com/kyrus/python-junit-xml).


Updates `junit-xml` from 1.8 to 1.9
- [Commits](https://github.com/kyrus/python-junit-xml/commits)

---
updated-dependencies:
- dependency-name: junit-xml
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

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

requirements/requirements-dev.txt

@@ -46,7 +46,7 @@ idna==3.10
     # via requests
 iniconfig==2.0.0
     # via pytest
-junit-xml==1.8
+junit-xml==1.9
     # via mutmut
 linkify-it-py==2.0.3
     # via markdown-it-py