Run the unit evals cron in a matrix (#43907)

For now, just using Sonnet 4.5 and Opus 4.5 - I'll make a separate PR
for non-Anthropic models, in case they introduce new failures.

Release Notes:

- N/A
7aa610e24fRichard Feldman committed on 12/1/2025, 4:03:00 PM· committed by GitHubparent26ef93f
4 files changedLine totals unavailable