chore: update workflows

Author: iamkun

.github/workflows/lint-test.yml

@@ -22,7 +22,9 @@ jobs:
       - name: Run tests
         run: npm test
       - name: Upload coverage to Codecov
-        if: ${{ secrets.CODECOV_TOKEN }}
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+        if: env.CODECOV_TOKEN != null
         uses: codecov/codecov-action@v4
         with:
-          token: ${{ secrets.CODECOV_TOKEN }}
+          token: ${{ env.CODECOV_TOKEN }}