v1.12.7

What's Changed

• chore: sync dev with main (round 66) by @EngineerProjects in #826
• fix(rag): wait out a provider's refusal for quota in the embedder by @EngineerProjects in #827
• chore(release): 1.12.7 by @EngineerProjects in #828
• release: 1.12.7 by @EngineerProjects in #829

Full Changelog: v1.12.6...v1.12.7