package/seatd: bump to version 0.6.2

package/seatd: bump to version 0.6.2

Update seatd to version 0.6.2, which makes the patches unnecessary (they
have all been integrated in 0.6.0) and fixes a number of bugs. Some
Meson build options have been renamed, so the build recipe is updated
accordingly, too.

Release notes:

  https://git.sr.ht/~kennylevinsen/seatd/refs/0.6.0
  https://git.sr.ht/~kennylevinsen/seatd/refs/0.6.1
  https://git.sr.ht/~kennylevinsen/seatd/refs/0.6.2

Signed-off-by: Adrian Perez de Castro <aperez@igalia.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>