Bump sphinxcontrib-programoutput from 0.17 to 0.18 in /docs (#4528)

Bumps [sphinxcontrib-programoutput](https://github.com/NextThought/sphinxcontrib-programoutput) from 0.17 to 0.18.
- [Changelog](https://github.com/OpenNTI/sphinxcontrib-programoutput/blob/master/CHANGES.rst)
- [Commits](OpenNTI/sphinxcontrib-programoutput@0.17...0.18)

---
updated-dependencies:
- dependency-name: sphinxcontrib-programoutput
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docs/requirements.txt

@@ -4,6 +4,6 @@ myst-parser==4.0.0
 Sphinx==8.1.3
 # Older versions break Sphinx even though they're declared to be supported.
 docutils==0.21.2
-sphinxcontrib-programoutput==0.17
+sphinxcontrib-programoutput==0.18
 sphinx_copybutton==0.5.2
 furo==2024.8.6