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 56.39%. Comparing base (68baba7) to head (a8c25bd).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #4126      +/-   ##
============================================
- Coverage     56.41%   56.39%   -0.02%     
+ Complexity     7421     7420       -1     
============================================
  Files          1125     1125              
  Lines         68940    68940              
  Branches       7814     7814              
============================================
- Hits          38890    38882       -8     
- Misses        27560    27565       +5     
- Partials       2490     2493       +3     

Components	Coverage Δ
spanner-templates	88.08% <ø> (ø)
spanner-import-export	68.90% <ø> (-0.14%)	⬇️
spanner-live-forward-migration	89.59% <ø> (ø)
spanner-live-reverse-replication	84.80% <ø> (ø)
spanner-bulk-migration	92.13% <ø> (ø)
gcs-spanner-dv	88.93% <ø> (ø)
see 8 files with indirect coverage changes

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