fix: yamato python version bump to fix standards job

[fernando-cortez]

Description

Fixing standards job by upgrading to a newer version of Python.

Issue Number(s)

N/A

Contribution checklist

• Tests have been added for boss room and/or utilities pack
• Release notes have been added to the project changelog file and/or package changelog file
• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• JIRA ticket ID is in the PR title or at least one commit message
• Include the ticket ID number within the body message of the PR to create a hyperlink
• An Index entry has been added in readme.md if applicable

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[fluong6]

The changes looks good. It follows Unity's guidance to upgrade python versions: https://internaldocs.unity.com/unity_downloader_cli/python_migration/

The only comment is to upgrade python version for other CI jobs as well if they fail. Otherwise we can ship this PR as is.

Good stuff!