Pass token to CodeCov action

Signed-off-by: Luís Cobucci <lcobucci@gmail.com>

Author: lcobucci

.github/workflows/mutation-tests.yml

@@ -41,3 +41,5 @@ jobs:
 
       - name: "Upload Code Coverage"
         uses: "codecov/codecov-action@v6.0.0"
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}