ci: update to download-artifact@v4

Author: jpgrayson

.github/workflows/ci.yml

@@ -270,7 +270,7 @@ jobs:
       - name: Fetch Tag
         run: |
           git fetch --force origin "+${GITHUB_REF}:${GITHUB_REF}"
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           path: artifacts
       - name: Make source archive