Update actions/download-artifact action to v5

Author: renovate[bot]

.github/workflows/examples-branch.yml

@@ -91,7 +91,7 @@ jobs:
           rm -rf examples/!(${{ matrix.example }})
           rm -rf !(examples)
       - name: Retrieve dirty build
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: build
           path: examples/${{ matrix.example }}