Bump pytest-doctestplus from 1.0.0 to 1.1.0

Bumps [pytest-doctestplus](https://github.com/scientific-python/pytest-doctestplus) from 1.0.0 to 1.1.0.
- [Release notes](https://github.com/scientific-python/pytest-doctestplus/releases)
- [Changelog](https://github.com/scientific-python/pytest-doctestplus/blob/main/CHANGES.rst)
- [Commits](scientific-python/pytest-doctestplus@v1.0.0...v1.1.0)

---
updated-dependencies:
- dependency-name: pytest-doctestplus
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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