package/seatd: security bump to version 0.6.4
This release contains a security fix in seatd-launch which prevents
removal of files that the calling user did not have privileges to
remove. Release notes:
https://git.sr.ht/~kennylevinsen/seatd/refs/0.6.4
Signed-off-by: Adrian Perez de Castro <aperez@igalia.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>