chore(release): prepare 1.1.0 (npm/PyPI/NuGet 1.1.0, Maven 8.1.0) - #417

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/