nixpkgs

7551b153 - mattermost-desktop: 5.8.1 -> 5.9.0

mattermost-desktop: 5.8.1 -> 5.9.0 Fixes CVE-2024-39772 and CVE-2024-45835. Changes: https://docs.mattermost.com/about/desktop-app-changelog.html#release-v5-9-extended-support-release