Update ci.yml

Fix up missing token

Author: dereuromark

.github/workflows/ci.yml

@@ -64,6 +64,8 @@ jobs:
     - name: Submit code coverage
       if: success() && matrix.php-version == '8.1'
       uses: codecov/codecov-action@v4
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
 
   cs-stan:
     name: Coding Standard & Static Analysis