Bump dawidd6/action-download-artifact from 3 to 6 in /.github/workflows (#2)

Author: dependabot[bot]

.github/workflows/test_framework.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: 'Download CepGen artifact'
-      uses: dawidd6/action-download-artifact@v3
+      uses: dawidd6/action-download-artifact@v6
       with:
         workflow: build.yml
         workflow_conclusion: success