action: bump codecov-action to v4

To solve the problem of CI failure.

Signed-off-by: Qinqi Qu <quqinqi@linux.alibaba.com>

.github/workflows/smoke.yml

@@ -266,7 +266,7 @@ jobs:
       with:
         name: contrib-test-coverage-artifact
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         files: ./codecov.json,./coverage.txt
         fail_ci_if_error: true