feat(editor): deliver Visual Authoring M01–M09 for v0.5.0-alpha - #25

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683, github/codeql-action/analyze@f411752efdf656cb71aa17b755b22c890960da1d, github/codeql-action/init@f411752efdf656cb71aa17b755b22c890960da1d. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/