Bump dawidd6/action-download-artifact from 2 to 6 in /.github/workflows (#31)

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Author: dependabot[bot]

.github/workflows/publish.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - name: Download
-      uses: dawidd6/action-download-artifact@v2
+      uses: dawidd6/action-download-artifact@v6
       with:
         workflow: ci.yml
         commit: ${{ github.sha }}