chore(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] <[email protected]>

.github/workflows/test_suite.yaml

@@ -41,7 +41,7 @@ jobs:
       - name: Run Tests
         run: |
           python -m pytest --cov=hmf --cov-config=.coveragerc --cov-report xml:./coverage.xml --durations=25
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         if: matrix.os == 'ubuntu-latest' && success() && !contains(github.event.pull_request.labels.*.name, 'auto-pr')
         with:
           file: ./coverage.xml # optional

.github/workflows/warnings-tests.yaml

@@ -40,7 +40,7 @@ jobs:
       - name: Run Tests
         run: |
           python -m pytest -Werror --cov=hmf --cov-config=.coveragerc --cov-report xml:./coverage.xml --durations=25
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         if: matrix.os == 'ubuntu-latest' && success()
         with:
           file: ./coverage.xml # optional