chore(deps): update codecov/codecov-action action to v4 (#521)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/test.yml

@@ -31,7 +31,7 @@ jobs:
         go test -race -covermode=atomic -coverprofile=coverage.out ./...
 
     - name: coverage
-      uses: codecov/codecov-action@ab904c41d6ece82784817410c45d8b8c02684457 # v3
+      uses: codecov/codecov-action@f30e4959ba63075080d4f7f90cacc18d9f3fafd7 # v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: coverage.out