requirements.txt: Added docutils=0.20 since there are issues which higher...

requirements.txt: Added docutils=0.20 since there are issues which higher version when building the documentation.

ci/requirements_py311.yml

@@ -22,6 +22,7 @@ dependencies:
   - sphinx      # optional for documentation
   - nbsphinx # for sphinx
   - nbsphinx-link
+  - docutils=0.20
   - mpi4py      
   - seawater    # optional
   - pandas