docs: add Appwrite managed PostgreSQL to Awesome Sequelize resources - #844

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: sequelize/pr-auto-update-and-handle-conflicts@257ac5f68859672393e3320495164251140bd801. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Input 'app-id' has been deprecated with message: Use 'client-id' instead.