Merge pull request #801 from IntersectMBO/dependabot/github_actions/actions/download-artifact-6

[CI] Bump actions/download-artifact from 5 to 6

Author: jorisdral

.github/workflows/documentation.yml

@@ -113,7 +113,7 @@ jobs:
         uses: actions/configure-pages@v5
 
       - name: 📦 Download documentation
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: haddocks-${{ runner.os }}-ghc-${{ env.ghc-version }}-cabal-${{ env.cabal-version }}
           path: haddocks