package/jo: bump version to 1.9
Mainly bugfixes (1.8 was deleted):
https://github.com/jpmens/jo/releases/tag/1.9
https://github.com/jpmens/jo/releases/tag/1.7
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>