Bump xedocs from 0.2.25 to 0.2.26 in /extra_requirements

Bumps [xedocs](https://github.com/XENONnT/xedocs) from 0.2.25 to 0.2.26.
- [Release notes](https://github.com/XENONnT/xedocs/releases)
- [Changelog](https://github.com/XENONnT/xedocs/blob/master/HISTORY.rst)
- [Commits](XENONnT/xedocs@v0.2.25...v0.2.26)

---
updated-dependencies:
- dependency-name: xedocs
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

extra_requirements/requirements-tests.txt

@@ -3,5 +3,5 @@ git+https://github.com/AxFoundation/strax
 git+https://github.com/XENONnT/base_environment
 nbmake
 pytest-xdist
-xedocs==0.2.25
+xedocs==0.2.26
 ipython==8.12.1