chore(deps): bump actions/download-artifact from 7 to 8 in /.github/workflows (#449)

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Author: dependabot[bot]

.github/workflows/publish.yml

@@ -92,7 +92,7 @@ jobs:
     permissions:
       id-token: write # for pub.dev trusted publishing
     steps:
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           name: package
           path: .