chore(deps): update Python dependencies

[github-actions]

This PR updates the Python dependencies for all templates that use Python.

This is an automated PR created by the update-python-deps workflow.

Note: If this PR does not trigger the template integration tests, please close the PR and reopen it. This should trigger all the tests.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 50.80%. Comparing base (450ba64) to head (79b293c).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #3183      +/-   ##
============================================
- Coverage     50.80%   50.80%   -0.01%     
  Complexity     5123     5123              
============================================
  Files           976      976              
  Lines         60016    60016              
  Branches       6558     6558              
============================================
- Hits          30492    30490       -2     
  Misses        27384    27384              
- Partials       2140     2142       +2     

Components	Coverage Δ
spanner-templates	70.99% <ø> (-0.01%)	⬇️
spanner-import-export	68.98% <ø> (-0.02%)	⬇️
spanner-live-forward-migration	80.02% <ø> (-0.02%)	⬇️
spanner-live-reverse-replication	77.72% <ø> (-0.02%)	⬇️
spanner-bulk-migration	88.41% <ø> (-0.02%)	⬇️
see 2 files with indirect coverage changes

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