add: support anonymization options for agent bundle downloads

[ozgen]

What

Pass the anonymized option through the download hook and GMP command.

Extend unit tests to cover all option combinations.

Why

To support the new GMP options for downloading encrypted and anonymized agent support bundles.

References

GEA-2094

Checklist

• I have added tests for the changes

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Snapshot Warnings

⚠️: No snapshots were found for the head SHA 9d31804.

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Scanned Files

None

[github-actions]

Conventional Commits Report

Type	Number
Added	1

🚀 Conventional commits found.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.42%. Comparing base (afe4dd6) to head (9d31804).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1393   +/-   ##
=======================================
  Coverage   98.42%   98.42%           
=======================================
  Files         106      106           
  Lines        6975     6976    +1     
  Branches     1273     1273           
=======================================
+ Hits         6865     6866    +1     
  Misses         77       77           
  Partials       33       33           

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