Added codecov secret back

Author: PauBadiaM

.github/workflows/test.yaml

@@ -83,6 +83,9 @@ jobs:
         run: uvx hatch run ${{ matrix.env.name }}:coverage xml
       - name: Upload coverage
         uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+
 
   # Check that all tests defined above pass. This makes it easy to set a single "required" test in branch
   # protection instead of having to update it frequently. See https://github.com/re-actors/alls-green#why.