Bump redis from 8.2.3-alpine to 8.10.0-alpine in /redis - #1940

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: dependabot/fetch-metadata@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/