Update runtime image tag to 10.4.0-python-3.9-base

[github-actions[bot]]

This pull request updates the runtime image tag in the to the latest tag.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 90.09%. Comparing base (02f7a89) to head (2ee4f8e).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2122      +/-   ##
==========================================
- Coverage   90.99%   90.09%   -0.91%     
==========================================
  Files          75       75              
  Lines        4322     4322              
  Branches      539      539              
==========================================
- Hits         3933     3894      -39     
- Misses        291      323      +32     
- Partials       98      105       +7     

Flag	Coverage Δ
PythonSDK	90.09% <ø> (-0.91%)	:arrow_down:

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[tatiana]

Closed in favour of #2127