Rollback vsce-helper to version which worked last time to unblock release

[jreineckearm]

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• 🤖 This change is covered by unit tests (if applicable).
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[qltysh]

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[jreineckearm]

Rollback to version with older fast-extract doesn't help. Transient dependency of fast-extract is broken and can't be fixed to specific version through lockfile due to used semantic version expression in fast-extract.
Working around it now, see joint PR #699