Update build.yml

Signed-off-by: Henrique Graca <999396+hjgraca@users.noreply.github.com>

Author: hjgraca

.github/workflows/build.yml

@@ -31,7 +31,6 @@ jobs:
       - name: Codecov
         uses: codecov/codecov-action@5ecb98a3c6b747ed38dc09f787459979aebb39be # 4.3.1
         with:
-          token: ${{ secrets.CODECOV_TOKEN }}
           flags: unittests
           fail_ci_if_error: false
           name: codecov-lambda-powertools-dotnet