Bump codecov/codecov-action from 3.1.1 to 3.1.2 (#182)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v3.1.1...v3.1.2)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/main.yaml

@@ -39,7 +39,7 @@ jobs:
         run: |
           pytest --verbose --cov=. --cov-report=xml
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3.1.1
+        uses: codecov/codecov-action@v3.1.2
         if: ${{ matrix.python-version }} == 3.9
         with:
           file: ./coverage.xml