Update build os and Python versions in .readthedocs.yaml

[soaressgabriel]

Checklist

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Added tests for changed code.
• Updated documentation for changed code.

Description

• Updated build os to Ubuntu 22.04 LTS;
• Updated Python version to 3.12.

Related Issue

• Resolve Update Read The Docs configuration file .readthedocs.yaml #176.

Motivation and context

• See Update Read The Docs configuration file .readthedocs.yaml #176.

How has this been tested

• N/A

Screenshots

• N/A