Migrate OSMO from Python 3.10 -> 3.14

[fernandol-nvidia]

Issue - None

Checklist

• I am familiar with the Contributing Guidelines.
• New or existing tests cover these changes.
• The documentation is up to date with these changes.

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[codecov]

Codecov Report

❌ Patch coverage is 36.94268% with 99 lines in your changes missing coverage. Please review.
✅ Project coverage is 37.41%. Comparing base (c629a87) to head (b25497f).
⚠️ Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
src/cli/workflow.py	18.75%	13 Missing ⚠️
src/utils/job/jobs.py	0.00%	12 Missing ⚠️
src/cli/login.py	0.00%	6 Missing ⚠️
src/cli/user.py	0.00%	6 Missing ⚠️
src/lib/rsync/rsync.py	44.44%	5 Missing ⚠️
src/operator/backend_listener.py	0.00%	5 Missing ⚠️
src/utils/connectors/postgres.py	28.57%	5 Missing ⚠️
src/utils/job/backend_jobs.py	28.57%	5 Missing ⚠️
src/cli/access_token.py	0.00%	4 Missing ⚠️
src/lib/data/storage/core/executor.py	20.00%	4 Missing ⚠️
... and 18 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #840      +/-   ##
==========================================
- Coverage   42.49%   37.41%   -5.08%     
==========================================
  Files         203      205       +2     
  Lines       27121    26044    -1077     
  Branches     7759     4077    -3682     
==========================================
- Hits        11524     9744    -1780     
- Misses      15486    15832     +346     
- Partials      111      468     +357     

Flag	Coverage Δ
backend	39.22% <36.94%> (-5.49%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
src/cli/config.py	11.59% <ø> (-0.62%)	⬇️
src/cli/dataset.py	6.82% <ø> (-0.16%)	⬇️
src/cli/resources.py	0.00% <ø> (ø)
src/cli/task.py	0.00% <ø> (ø)
src/lib/data/storage/backends/s3.py	24.10% <ø> (-3.59%)	⬇️
src/lib/utils/config_history.py	78.26% <100.00%> (-3.89%)	⬇️
src/lib/utils/jinja_sandbox.py	69.62% <100.00%> (-1.37%)	⬇️
src/lib/utils/osmo_errors.py	97.56% <ø> (+3.91%)	⬆️
src/service/agent/agent_service.py	78.37% <100.00%> (ø)
src/service/core/config/config_service.py	69.14% <ø> (+0.77%)	⬆️
... and 37 more

... and 77 files with indirect coverage changes

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