net/megacmd: update to 2.1.1

- Update to version 2.1.1:
  * FUSE (beta): Added fuse commands on Linux to allow your MEGA folders to be directly mounted to your local drive
  * Delayed sync uploads: Introduced a mechanism to delay to frequently changed sync uploads, and the sync-config command
  * Logging: Messages are now printed in standard error, the rotating logger is now configurable and more verbose by default, passwords are now redacted from the logs, and other fixes and refinements
  * Fixed a crash when auto-completing a local folder that doesn't exist
  * Fixed the confirmcancel command incorrectly reporting failure on success
  * Extended speedlimit command to allow increasing max connections
  * Other fixes and improvements to enhance reliability and performance

- Use builtin megasdk-9.1.1
