Add license field to package.json - #59

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v4, actions/checkout@v3, actions/setup-node@v3, MarkusJx/install-boost@v2.4.1, pyodide/setup-emsdk@v15. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

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The parameter 'arch' was specified, which doesn't have any effect on this boost version

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