chore(deps): update codecov/codecov-action action to v7 - #1926

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: yegor256/copyrights-action@0.0.12. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/