chore: update gh - #341

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: githubocto/repo-visualizer@a999615bdab757559bf94bda1fe6eef232765f85, technote-space/create-pr-action@91114507cf92349bec0a9a501c2edf1635427bc5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/