Bump setup-python and codecov actions and add missing Codecov token r…

…eference.

.github/workflows/ci.yml

@@ -47,7 +47,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
           architecture: ${{ matrix.platform.python-architecture }}
@@ -124,7 +124,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: 3.8
       - name: Install Rust
@@ -203,7 +203,8 @@ jobs:
       - name: Generate code coverage
         run: cargo llvm-cov --all-features --codecov --output-path coverage.json
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           file: coverage.json
+          token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: true