mxstartup: Update version from 2.16 to 2.17

https://github.molgen.mpg.de/mariux64/mxstartup/releases/tag/mxstartup-2.17

Update procedure:

    systemctl disable mxstartup-systemd.service
    systemctl disable mxstartup-mxvip.service
    systemctl disable mxstartup-classic.service
    bee update mxstartup-2.17-0
    systemctl enable mxstartup.service
    systemctl daemon-reload

To apply to the running system, reboot or

    systemctl stop  mxstartup-mxvip mxstartup-classic
    systemctl start mxstartup

mxstartup.be0

@@ -1,6 +1,6 @@
 #!/usr/bin/env beesh
 
-# BEE_VERSION mxstartup-2.16-0
+# BEE_VERSION mxstartup-2.17-0
 
 ## this file was created by bee init and should be executed to build a
 ## bee-package. (Additional hints are located at the end of this file.)