Fix bibtex v2

Bibtex v2 no longer automatically finds the .bib files (or at least not for our repo). Need to explicitly state them in conf.py, as far as I could tell has no effect on previous versions.

https://sphinxcontrib-bibtex.readthedocs.io/en/latest/usage.html#configuration

added docs-only workflowReview labels

@knepley One of your citation links appears broken in the stokes guide.

petsc/src/docs/sphinx_docs/guides/physics/guide_to_stokes.rst:209: 
WARNING: citation not found: VelicMayMoresiKnepley20

changed the description

approved this merge request

added workflowReady-For-Merge label and removed workflowReview label

added 23 commits

• 8544317e...3b8a4d5d - 22 commits from branch master
• cafc2670 - updated conf.py for sphinxcontrib.bibtex v2.0

Compare with previous version

assigned to @sbalay and unassigned @Jfaibussowitsch

merged

mentioned in commit f36a7ede