VCST-4623-vcst-qa-deployment

[vc-ci]

ci: Automated update vc-frontend from PR 2180 VirtoCommerce/vc-frontend#2180

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Note

Low Risk
Single configuration change that only switches the referenced build artifact; risk is limited to potential deployment/runtime issues if the new package is bad.

Overview
Updates theme/artifact.json to point the theme artifact URL at a newer prerelease package (vc-theme-b2b-vue 2.42.0 built from PR 2180) instead of the previous PR 2149 build.

^{Written by Cursor Bugbot for commit 915c42f. This will update automatically on new commits. Configure here.}

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