build(deps): update pytest workflow actions

.github/workflows/pytest.yml

@@ -14,10 +14,10 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v7
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v7
         with:
           python-version: "3.13.9"
 
@@ -35,7 +35,7 @@ jobs:
           uv run pytest --finalize --check-config-side-effect -vs --cov src --cov-report term-missing
 
       - name: Upload test artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: optimize-results
           path: tests/testdata/new_optimize_result*