Bump codecov/codecov-action from 3.1.4 to 4.3.1

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3.1.4 to 4.3.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@eaaf4be...5ecb98a)

---
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/go.yml

@@ -34,4 +34,4 @@ jobs:
       run: go test -race -coverprofile=coverage.txt -covermode=atomic ./...
 
     - name: Codecov
-      uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d # v3.1.4
+      uses: codecov/codecov-action@5ecb98a3c6b747ed38dc09f787459979aebb39be # v4.3.1