Bump vite from 7.3.5 to 8.2.1 - #38

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: andstor/file-existence-action@076e0072799f4942c8bc574a82233e1e4d13e9d6, icewind1991/nextcloud-version-matrix@8a7bac6300b2f0f3100088b297995a229558ddba, shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/