kernel-440-nfsd-replacement: Add version 1.0

[donald]

This package installs an nfsd kernel module for the Linux 5.15.77-440 kernel,
which has a fix for the 'chgrp' problem with sec=mariux nfs mounts.

The nfsd module can be reloaded without a system reboot:

systemctl stop nfsd
systemctl stop proc-fs-nfsd.mount
rmmod nfsd
systemctl start proc-fs-nfsd.mount
systemctl start nfsd

[donald]

install script: https://github.molgen.mpg.de/gist/donald/2cf11a58d715578f674b2dc3c51e4608

[donald]

All running nfsds have been replaced.
Next steps:

• Default sec=mariux (again) in /etc/auto.master
• Wait until all nfs automounts are renewed (or force them if patience is lost)
• Remove sec=sys from /etc/mxmounts