update read the docs config

[gisellerosetta]

Proposed Changes

• Aiming to address the issue of docs not deploying and clear up any CI issues.

Related Issues

• Related to Broken links to a11ytables #247
• Fixes Bug: Website updates not deploying #262

Pre-requisites

Most of these aren't required because the branch is being merged into a dev branch.

• Version number has been incremented, according to SemVer NA
• Changelog has been updated, listing changes to this version. Use the keep a changelog format
• New features are tested NA
• New features are documented using the numpydoc docstring format NA
• Other relevant package documentation is updated NA
• For new functionality, examples are included in the docs or a feature request has
  been made for it/them. NA

[Jday7879]

I'm not too familiar with readthedocs deployments and how to check this, but changes look reasonable and looks like other PRs / issues are opened to fix unit tests which are causing failing workflows.