CodeCov fails with an error on PR

When a Pull Request is submitted by a contributor, the CodeCov report fails (no authentication token).

Run codecov/codecov-action@v1.0.0
/usr/bin/docker run --name bb4f08bd91fe44a50a74db7c09845[6](https://github.com/on4kjm/FLEcli/runs/7864780555?check_suite_focus=true#step:6:7)31f_ec5f11 --label 94859b --workdir /github/workspace --rm -e GOROOT -e INPUT_TOKEN -e INPUT_FILE -e INPUT_NAME -e INPUT_FLAGS -e HOME -e GITHUB_JOB -e GITHUB_REF -e GITHUB_SHA -e GITHUB_REPOSITORY -e GITHUB_REPOSITORY_OWNER -e GITHUB_RUN_ID -e GITHUB_RUN_NUMBER -e GITHUB_RETENTION_DAYS -e GITHUB_RUN_ATTEMPT -e GITHUB_ACTOR -e GITHUB_TRIGGERING_ACTOR -e GITHUB_WORKFLOW -e GITHUB_HEAD_REF -e GITHUB_BASE_REF -e GITHUB_EVENT_NAME -e GITHUB_SERVER_URL -e GITHUB_API_URL -e GITHUB_GRAPHQL_URL -e GITHUB_REF_NAME -e GITHUB_REF_PROTECTED -e GITHUB_REF_TYPE -e GITHUB_WORKSPACE -e GITHUB_ACTION -e GITHUB_EVENT_PATH -e GITHUB_ACTION_REPOSITORY -e GITHUB_ACTION_REF -e GITHUB_PATH -e GITHUB_ENV -e GITHUB_STEP_SUMMARY -e RUNNER_OS -e RUNNER_ARCH -e RUNNER_NAME -e RUNNER_TOOL_CACHE -e RUNNER_TEMP -e RUNNER_WORKSPACE -e ACTIONS_RUNTIME_URL -e ACTIONS_RUNTIME_TOKEN -e ACTIONS_CACHE_URL -e GITHUB_ACTIONS=true -e CI=true -v "/var/run/docker.sock":"/var/run/docker.sock" -v "/home/runner/work/_temp/_github_home":"/github/home" -v "/home/runner/work/_temp/_github_workflow":"/github/workflow" -v "/home/runner/work/_temp/_runner_file_commands":"/github/file_commands" -v "/home/runner/work/FLEcli/FLEcli":"/github/workspace" 94859b:b4f08bd91fe44a50a[7](https://github.com/on4kjm/FLEcli/runs/7864780555?check_suite_focus=true#step:6:8)4db7c09845631f  "" "" "./coverage.txt" ""
Please provide an upload token from codecov.io with valid arguments

on4kjm / FLEcli

CodeCov fails with an error on PR #82