Bump GitHub actions

Author: sbidoul

.github/workflows/ci.yml

@@ -11,12 +11,12 @@ jobs:
       matrix:
         python-version: ["3.8", "3.9", "3.10"]
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
         with:
           python-version: "${{ matrix.python-version }}"
       - name: Install tox
         run: python -m pip install tox tox-gh-actions
       - name: Run tox
         run: python -m tox
-      - uses: codecov/codecov-action@v1
+      - uses: codecov/codecov-action@v3