feat: Remove variants from calibration responses, add dedicated variant endpoints#663

bencap wants to merge 2 commits intorelease-2026.1.1VariantEffect/mavedb-api:release-2026.1.1from

feature/bencap/659/calibration-performance-improvementsVariantEffect/mavedb-api:feature/bencap/659/calibration-performance-improvementsCopy head branch name to clipboard