Add oracle logo as a bronze sponsor

[Utkarsh-123github]

What kind of change does this PR introduce?

• Add Oracle as a bronze sponsor on JSON Schema website.

Issue Number:

• Closes Add Oracle as a Bronze Sponsor #1983

Screenshots/videos:

If relevant, did you update the documentation?
No

Summary
Through this PR, I have added Oracle as a bronze sponsor.

Does this PR introduce a breaking change?
No

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

[github-actions]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (a822963) to head (b99ca15).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1984   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           30        30           
  Lines          633       633           
  Branches       196       196           
=========================================
  Hits           633       633           

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[Honyii]

Thanks for working on this, looks good!

[Relequestual]

Thanks for doing this work @Utkarsh-123github!