chore(website): Small fix to function call (vectordotdev#19079)

fix: update script to have .rest

.github/workflows/create_preview_sites.yml

@@ -33,7 +33,7 @@ jobs:
       with:
         script: |
           const fs = require('fs');
-          const artifacts = await github.actions.listWorkflowRunArtifacts({
+          const artifacts = await github.rest.actions.listWorkflowRunArtifacts({
              owner: context.repo.owner,
              repo: context.repo.repo,
              run_id: ${{ github.event.workflow_run.id }},