chore(dynamodb): update CODEOWNERS for dynamodb-mcp-server

[scottschreckengaust]

Summary

Update dynamodb code owners

Changes

Please provide a summary of what's being changed

User experience

Please share what the user experience looks like before and after this change

Checklist

If your change doesn't seem to apply, please leave them unchecked.

• I have reviewed the contributing guidelines
• I have performed a self-review of this change
• Changes have been tested
• Changes are documented

Is this a breaking change? (Y/N) N

RFC issue number:

Checklist:

• Migration process documented
• Implement warnings (if it can live side by side)

Acknowledgment

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of the project license.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.53%. Comparing base (85cd55f) to head (2bd4aed).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1582   +/-   ##
=======================================
  Coverage   89.53%   89.53%           
=======================================
  Files         726      726           
  Lines       51343    51343           
  Branches     8238     8238           
=======================================
  Hits        45969    45969           
  Misses       3460     3460           
  Partials     1914     1914           

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