[build-tools] Handle ASC SDK version issue (90725)

[sjchmiela]

Why

UNKNOWN submit failures include App Store Connect SDK compatibility error 90725.

This should be surfaced as actionable EAS guidance (rebuild with newer iOS SDK/Xcode image) instead of generic unknown.

How

• add 90725 detection in upload_to_asc failed-state handling
• throw EAS_UPLOAD_TO_ASC_SDK_VERSION_ISSUE with EAS-specific remediation
• include docs URL to iOS build image/Xcode configuration docs
• add unit tests for isSdkVersionIssueError

Examples

• https://expo.dev/uuid/019cbbe7-9d71-7c90-80b5-a98870478265
• https://expo.dev/uuid/019cbf52-3cbd-7491-b35e-c3fc2f24afc9
• https://expo.dev/uuid/019cbf4f-41d9-7ab7-8e85-e53596526a82

Test Plan

• yarn --cwd packages/build-tools jest-unit src/steps/functions/__tests__/uploadToAsc.test.ts
• yarn --cwd packages/build-tools typecheck
• yarn fmt

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 53.62%. Comparing base (99b8d67) to head (f28c441).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...ges/build-tools/src/steps/functions/uploadToAsc.ts	50.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3464      +/-   ##
==========================================
- Coverage   53.62%   53.62%   -0.00%     
==========================================
  Files         815      815              
  Lines       34622    34626       +4     
  Branches     7192     7194       +2     
==========================================
+ Hits        18562    18564       +2     
- Misses      15979    15981       +2     
  Partials       81       81              

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