Update actions/download-artifact action to v5

Author: renovate[bot]

.github/workflows/nightly.yml

@@ -247,7 +247,7 @@ jobs:
                   ref: ${{ needs.get-ref.outputs.ref }}
 
             - name: Download artifacts
-              uses: actions/download-artifact@v4
+              uses: actions/download-artifact@v5
               with:
                   path: dist
 

.github/workflows/release.yml

@@ -139,7 +139,7 @@ jobs:
 
     steps:
       - name: Download all artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           path: dist