Bump codecov/codecov-action from 1.5.2 to 5.4.3

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 1.5.2 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@29386c7...18283e0)

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

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

Author: dependabot[bot]

.github/workflows/testing.yml

@@ -44,4 +44,4 @@ jobs:
         coverage report
 
     - name: Upload code coverage
-      uses: codecov/codecov-action@29386c70ef20e286228c72b668a06fd0e8399192 # v1
+      uses: codecov/codecov-action@18283e04ce6e62d37312384ff67231eb8fd56d24 # v1