TPT-4557: Add security release label - #2

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, crazy-max/ghaction-github-labeler@de749cf181958193cb7debf1a9c5bb28922f3e1b. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/