VCST-4566-vcst-qa-deployment

[vc-ci]

ci: Automated update vc-frontend from PR 2193 VirtoCommerce/vc-frontend#2193

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Note

Low Risk
Single configuration change swapping the referenced artifact URL; risk is limited to pulling the wrong/broken build in deployments.

Overview
Updates theme/artifact.json to point the theme artifact URL at a newer prerelease package (vc-theme-b2b-vue 2.42.0 from PR 2193) instead of the previous PR 2181 build.

^{Written by Cursor Bugbot for commit 76ce3f0. This will update automatically on new commits. Configure here.}

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