Bump sphinxcontrib-programoutput from 0.19 to 0.20 (#1281)

Bumps [sphinxcontrib-programoutput](https://github.com/OpenNTI/sphinxcontrib-programoutput) from 0.19 to 0.20.
- [Changelog](https://github.com/OpenNTI/sphinxcontrib-programoutput/blob/master/CHANGES.rst)
- [Commits](OpenNTI/sphinxcontrib-programoutput@0.19...0.20)

---
updated-dependencies:
- dependency-name: sphinxcontrib-programoutput
  dependency-version: '0.20'
  dependency-type: direct:development
  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]

pyproject.toml

@@ -94,7 +94,7 @@ docs = [
     'sphinx_design==0.6.1',
     'sphinx-sitemap==2.9.0',
     'sphinx-jsonschema==1.19.2',
-    'sphinxcontrib-programoutput==0.19',
+    'sphinxcontrib-programoutput==0.20',
     'sphinx-tabs==3.5.0',
     'sphinx-autoissues==0.0.1',
     'sphinx-copybutton==0.5.2',