Problem: codecov action v3 is pinging v4 (#458)

Author: mmsqe

.github/workflows/test.yml

@@ -38,7 +38,7 @@ jobs:
         run: |
           make test-unit-cover
         if: env.GIT_DIFF
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: ./coverage.txt
           fail_ci_if_error: true