fix: resolve 4 bugs in termui - #3569

Process completed with exit code 1.

AssertionError: expected [ '@termuijs/widgets', …(2) ] to deeply equal [ '@termuijs/core', …(2) ] - Expected + Received [ + "@termuijs/widgets", "@termuijs/core", "@termuijs/motion", - "@termuijs/widgets", ] ❯ scripts/build-registry.test.ts:135:30

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/