docs(rtd): update readthedocs config to use uv

[mdevolde]

docs(rtd): update readthedocs config to use uv

Why the pull request was made

Update readthedocs config to use uv when building docs, instead of having a requirements.txt for docs.

Summary of changes

• Use uv instead of pip in readthedocs pipeline
• Delete old docs/requirements.txt
• Update ubuntu and python versions for doc building

Screenshots (if appropriate):

Not applicable.

How has this been tested?

Not applicable.

Resources

Not applicable.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update (changes to documentation only)
• Refactor / code style update (non-breaking change that improves code structure or readability)
• Tests / CI improvement (adding or updating tests or CI configuration only)
• Other (please describe):

Checklist

• Followed the project's contributing guidelines.
• Updated any relevant tests.
• Updated any relevant documentation.
• Added comments to your code where necessary.
• Formatted your code, run the linters, checked types and tests.

[Copilot]

Pull request overview

This pull request updates the Read the Docs build configuration to install documentation dependencies via uv (using the docs dependency group) rather than maintaining a separate docs/requirements.txt.

Changes:

• Switched Read the Docs dependency installation from requirements.txt to uv sync with the docs group.
• Removed the now-unneeded docs/requirements.txt lock/export file.
• Updated the Read the Docs build OS/Python configuration and explicitly set the Sphinx builder to html.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
.readthedocs.yaml	Moves RTD installs to uv and updates build environment settings.
docs/requirements.txt	Deletes the legacy docs requirements export file.

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