www/filebrowser: Update to 2.51.2

ChangeLogs:

• https://github.com/filebrowser/filebrowser/releases/tag/v2.51.2
• https://github.com/filebrowser/filebrowser/releases/tag/v2.51.1
• https://github.com/filebrowser/filebrowser/releases/tag/v2.51.0
• https://github.com/filebrowser/filebrowser/releases/tag/v2.50.0
• https://github.com/filebrowser/filebrowser/releases/tag/v2.49.0
• https://github.com/filebrowser/filebrowser/releases/tag/v2.48.2
• https://github.com/filebrowser/filebrowser/releases/tag/v2.48.1
• https://github.com/filebrowser/filebrowser/releases/tag/v2.48.0
• https://github.com/filebrowser/filebrowser/releases/tag/v2.47.0
• https://github.com/filebrowser/filebrowser/releases/tag/v2.46.1