Bump express and qs in node-app-1 and caching-app - #381

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, actions/setup-go@v5, leafo/gh-actions-lua@v10. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Failed to save: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0zkKnagAAAADqg6vvGVPhTohQgh4ls2GdUEhMMzBFREdFMDEwOABFZGdl

Failed to restore: Cache service responded with 400

gh-actions-lua: Storing into cache: lua:5.1.5:linux:x64: