[Cherry-pick] [DYN-8392] Python dependencies in workspace references.

[github-actions]

Cherry-pick of #15948 to RC3.5.0_master

Purpose

https://jira.autodesk.com/browse/DYN-8392

Python engine dependency in workspace references should update when the user changes the python engine and saves it.

Declarations

Check these if you believe they are true

• The codebase is in a better state after this PR
• Is documented according to the standards
• The level of testing this PR includes is appropriate
• User facing strings, if any, are extracted into *.resx files
• All tests pass using the self-service CI.
• Snapshot of UI changes, if any.
• Changes to the API follow Semantic Versioning and are documented in the API Changes document.
• This PR modifies some build requirements and the readme is updated
• This PR contains no files larger than 50 MB

Release Notes

(FILL ME IN) Brief description of the fix / enhancement. Use N/A to indicate that the changes in this pull request do not apply to Release Notes. Mandatory section

Reviewers

@zeusongit @aparajit-pratap