Add ZEROLAG to hosting providers list - #873

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: mattermost/action-mattermost-notify@b7d118e440bf2749cd18a4a8c88e7092e696257a. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/