set CODECOV_TOKEN for upload coverage

Author: chengjoey

.github/workflows/ci-it.yml

@@ -231,9 +231,8 @@ jobs:
           rm -fr ./coverage/pure-coverage
       - name: Upload coverage to Codecov
         env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+          CODECOV_TOKEN: 6bc234f6-b1e9-4e9e-abc5-d2aab9e10dfe
         run: |
-          echo ${#CODECOV_TOKEN}
           curl -s https://codecov.io/bash | bash -s - -s ./coverage/
       - name: Upload combined coverage reports to artifact
         uses: actions/upload-artifact@v3