build(deps): bump twine from 6.2.0 to 7.0.0 in /.github - #252

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v3, google-github-actions/auth@v1, google-github-actions/setup-gcloud@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/