Update ubuntu and python versions in .readthedocs.yml and the setup doc

[AdeelH]

Overview

This PR bumps the Ubuntu and Python version in .readthedocs.yml to 22.04 and 3.10 respectively. It also updates the versions mentioned in the setup doc which were outdated.

Checklist

• Added needs-backport label if PR is bug fix that applies to previous minor release
• Ran scripts/format_code and committed any changes
• Documentation updated if needed
• PR has a name that won't get you publicly shamed for vagueness

Notes

N/A

Testing Instructions

• Check if docs build correctly.

[codecov]

Codecov Report

Merging #1875 (3d0fbcc) into master (2c18e26) will not change coverage.
The diff coverage is n/a.

❗ Current head 3d0fbcc differs from pull request most recent head c56d5db. Consider uploading reports for the commit c56d5db to get more accurate results

@@           Coverage Diff           @@
##           master    #1875   +/-   ##
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  Coverage   81.61%   81.61%           
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  Files         190      190           
  Lines        9278     9278           
=======================================
  Hits         7572     7572           
  Misses       1706     1706