Revert temporary codestral-2508 → codestral-2501 redirect once Fireworks resolves scaling

GitLab Infrastructure Service - incident.io
2026-03-24T11:03:56Z

Tracked in gitlab-org/modelops/applied-ml/code-suggestions/ai-assist#2082: https://gitlab.com/gitlab-org/modelops/applied-ml/code-suggestions/ai-assist/-/work_items/2082

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