Error in "Upload coverage reports to Codecov" step – coverage notification not sent

[y-hsgw]

Have you read the Troubleshooting section?

Yes

Plugin version

N/A

ESLint version

N/A

Node.js version

N/A

Bug description

While reviewing another PR, I noticed an error occurring in the GitHub Actions step "Upload coverage reports to Codecov".
It appears that the coverage notification is not being sent successfully.

Steps to reproduce

N/A

Error output/screenshots

https://github.com/testing-library/eslint-plugin-testing-library/actions/runs/18224863863/job/51893411818?pr=1097#step:8:273

ESLint configuration

N/A

Rule(s) affected

N/A

Anything else?

No response

Do you want to submit a pull request to fix this bug?

No