workflows: fix test.yaml

.github/workflows/test.yaml

@@ -60,7 +60,7 @@ jobs:
           mv .coverage .coverage.${{ matrix.python-version }}.${{ matrix.os }}
 
       - name: Store coverage files
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: coverage
           path: .coverage.${{ matrix.python-version }}.${{ matrix.os }}
@@ -81,7 +81,7 @@ jobs:
           python-version: "3.12"
 
       - name: Download coverage files
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v3
         with:
           name: coverage
           path: coverage