Bump codecov/codecov-action from 5.4.0 to 5.4.3

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.4.0 to 5.4.3.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@0565863...18283e0)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: 5.4.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -119,7 +119,7 @@ jobs:
           tox -e coverage-ci
 
       - name: Upload Coverage to codecov.io
-        uses: codecov/codecov-action@0565863a31f2c772f9f0395002a31e3f06189574 # v5.4.0
+        uses: codecov/codecov-action@18283e04ce6e62d37312384ff67231eb8fd56d24 # v5.4.3
         with:
           # We utilize secret for more realiable builds. Without secret being set, upload step
           # fails fairly often.