Expand search commits tool

[zyw400]

GitHub issue number: 634

Associated Risks

The current ADO API support much more search criteria, adding those back to the current search commits tool in MCP.

✅ PR Checklist

• I have read the contribution guidelines
• I have read the code of conduct guidelines
• Title of the pull request is clear and informative.
• 👌 Code hygiene
• 🔭 Telemetry added, updated, or N/A
• 📄 Documentation added, updated, or N/A
• 🛡️ Automated tests added, or N/A

🧪 How did you test it?

Replace with use cases tested and models used

[codecov-commenter]

Codecov Report

❌ Patch coverage is 60.00000% with 14 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (main@52076fa). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
src/tools/repositories.ts	60.00%	8 Missing and 6 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #645   +/-   ##
=======================================
  Coverage        ?   96.42%           
=======================================
  Files           ?       16           
  Lines           ?     1231           
  Branches        ?      241           
=======================================
  Hits            ?     1187           
  Misses          ?       17           
  Partials        ?       27           

Flag	Coverage Δ
unittests	96.42% <60.00%> (?)

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[danhellem]

I have assigned to @nikolapeja6 for review

[nikolapeja6]

Thanks for your contribution @zyw400, lgtm