www/filebrowser: Update to 2.63.12

ChangeLogs:

• https://github.com/filebrowser/filebrowser/releases/tag/v2.63.6
• https://github.com/filebrowser/filebrowser/releases/tag/v2.63.7
• https://github.com/filebrowser/filebrowser/releases/tag/v2.63.8
• https://github.com/filebrowser/filebrowser/releases/tag/v2.63.9
• https://github.com/filebrowser/filebrowser/releases/tag/v2.63.10
• https://github.com/filebrowser/filebrowser/releases/tag/v2.63.11
• https://github.com/filebrowser/filebrowser/releases/tag/v2.63.12