build(deps): bump pytest-doctestplus from 1.5.0 to 1.6.0 in /requirements (#21373)

build(deps): bump pytest-doctestplus in /requirements Bumps [pytest-doctestplus](https://github.com/scientific-python/pytest-doctestplus) from 1.5.0 to 1.6.0. - [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@v1.5.0...v1.6.0) --- updated-dependencies: - dependency-name: pytest-doctestplus dependency-version: 1.6.0 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/doctests.txt

@@ -1,2 +1,2 @@
 pytest ==8.4.2
-pytest-doctestplus ==1.5.0
+pytest-doctestplus ==1.6.0