build(deps): bump codecov/codecov-action from 3 to 4

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3 to 4.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v3...v4)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/setup.yml

@@ -60,7 +60,7 @@ jobs:
       run: coverage run --append ./setup.py sdist
     - name: Coverage
       run: coverage xml
-    - uses: codecov/codecov-action@v3
+    - uses: codecov/codecov-action@v4
       with:
         name: setup
     - uses: actions/upload-artifact@v4

.github/workflows/test.yml

@@ -73,6 +73,6 @@ jobs:
     - name: Coverage
       run: |
         coverage xml
-    - uses: codecov/codecov-action@v3
+    - uses: codecov/codecov-action@v4
       with:
         name: ${{ runner.os }}, Python ${{ matrix.python-version }}, ${{ matrix.requirements }}