Update default REST API version to v66.0

[bbirman]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.95%. Comparing base (189a4f6) to head (82c6568).
⚠️ Report is 5 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #441   +/-   ##
=======================================
  Coverage   74.95%   74.95%           
=======================================
  Files          13       13           
  Lines         503      503           
=======================================
  Hits          377      377           
  Misses        126      126           

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[bbirman]

It looks like there was an error on one of the checks related to posting the test results but the actual tests passed in the logs:

Executed 11 tests, with 0 failures (0 unexpected) in 4.583 (4.701) seconds
Test Suite 'SalesforceReactTests.xctest' passed at 2026-02-11 20:02:02.211.
Executed 35 tests, with 0 failures (0 unexpected) in 26.335 (30.029) seconds
Test Suite 'All tests' passed at 2026-02-11 20:02:02.211.
Executed 35 tests, with 0 failures (0 unexpected) in 26.335 (30.030) seconds
Test Succeeded