ci: trying alternative syntax to provide Codecov token

.github/workflows/pytest.yml

@@ -9,11 +9,11 @@ jobs:
       matrix:
         python-version: ['3.8', '3.9', '3.10', '3.11']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python
         id: setup-python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -26,7 +26,7 @@ jobs:
 
       - name: Load cached virtualenv
         id: cached-poetry-dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: .venv
           key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}
@@ -44,8 +44,7 @@ jobs:
       - name: Upload coverage
         uses: codecov/codecov-action@v4
         with:
-          file: ./coverage.xml
+          files: ./coverage.xml
           fail_ci_if_error: true
-        env:
           token: ${{ secrets.CODECOV_TOKEN }}