Restructure compatibility matrix generator

[christian-rogobete]

Summary

• Restructure tools/sdk-analysis/ into tools/matrix-generator/ with shared infrastructure, pipeline orchestrators, and a master orchestrator with SEP auto-detection
• Add GitHub API integration for fetching Horizon and RPC releases (eliminates local repo dependencies)
• Add CLI support for Horizon and RPC pipelines (--horizon-version, --rpc-version, --local, --verbose)
• Fix streaming detection, SDK method name resolution, and SEP field analysis accuracy
• Add missing GetLatestLedgerResponse fields (closeTime, headerXdr, metadataXdr)
• Regenerate all compatibility matrices

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.34%. Comparing base (a3fe50d) to head (9fbc834).

❌ Your project status has failed because the head coverage (77.34%) is below the target coverage (80.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #17   +/-   ##
=======================================
  Coverage   77.33%   77.34%           
=======================================
  Files         836      836           
  Lines       24024    24027    +3     
  Branches     3173     3173           
=======================================
+ Hits        18580    18583    +3     
  Misses       4164     4164           
  Partials     1280     1280           

Files with missing lines	Coverage Δ
...ellar/sdk/rpc/responses/GetLatestLedgerResponse.kt	85.71% <100.00%> (+10.71%)	⬆️

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