modify: update Fluent Launcher

[Auto] Update Launcher Version:
  Fluent Launcher(stable): 2.3.8.0 => 2.3.9.0
(Time: 2026-03-31 11:17:52 UTC)

Author: github-actions[bot]

data/launcher.json

@@ -145,8 +145,8 @@
     },
     {
       "title": "Fluent Launcher",
-      "download": "https://github.com/Xcube-Studio/Natsurainko.FluentLauncher/releases/download/v2.3.8.0/Natsurainko.FluentLauncher_2.3.8.0.msixbundle",
-      "version": "2.3.8.0",
+      "download": "https://github.com/Xcube-Studio/Natsurainko.FluentLauncher/releases/download/v2.3.9.0/Natsurainko.FluentLauncher_2.3.9.0.msixbundle",
+      "version": "2.3.9.0",
       "github": "https://github.com/Xcube-Studio/Natsurainko.FluentLauncher",
       "url": "https://fluentlauncher.natsurainko.work/",
       "dev": {