ci: bump download-artifact to v4

Author: T-Dynamos

.github/workflows/default.yml

@@ -50,7 +50,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v2
     - name: Download artifacts
-      uses: actions/download-artifact@v2
+      uses: actions/download-artifact@v4
       with:
         name: dist
         path: dist