chore(gha): bump actions/download-artifact from 6 to 7 (#3441)

Author: dependabot[bot]

.github/workflows/generate-documentation.yml

@@ -72,7 +72,7 @@ jobs:
       contents: write # Push to gh-pages
     steps:
       - name: Download
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: documentation-${{github.sha}}
       - name: Push to gh-pages