VCST-5647,VCST-5648,VCST-5590,VCST-5592,VCST-5588,VCST-5587-vcst-qa-deployment

[vc-ci]

ci: Automated update vc-frontend from PR 2437 VirtoCommerce/vc-frontend#2437

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Note

Low Risk
Single config URL change for a prerelease theme package; no auth, data, or backend logic touched.

Overview
Automated QA deployment pin for the B2B storefront theme: theme/artifact.json now points at the vc-theme-b2b-vue 2.56.0 package built from vc-frontend PR 2437, replacing the previous 2.55.0 / PR 2421 blob URL.

No application code changes—only the theme ZIP URL used for this environment’s deployment.

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