chore(deps): update codecov/codecov-action action to v5

Author: renovate[bot]

.github/workflows/go.yml

@@ -37,6 +37,6 @@ jobs:
           path: test_results.json
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v4.5.0
+        uses: codecov/codecov-action@v5.4.0
         with:
           token: ${{ secrets.CODECOV_TOKEN }}