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>
(cherry picked from commit b8134a1195f5111d80cfa67104fca847f0881e63)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>

package/jo/jo.hash

@@ -1,3 +1,3 @@
 # Locally computed
-sha256  eb15592f1ba6d5a77468a1438a20e3d21c3d63bb7d045fb3544f223340fcd1a1  jo-1.6.tar.gz
+sha256  0195cd6f2a41103c21544e99cd9517b0bce2d2dc8cde31a34867977f8a19c79f  jo-1.9.tar.gz
 sha256  41d8b23dc6e76731f4920b9ce42d0d4a248d243a510319e2441d174a115f35cf  COPYING

package/jo/jo.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-JO_VERSION = 1.6
+JO_VERSION = 1.9
 JO_SITE = https://github.com/jpmens/jo/releases/download/$(JO_VERSION)
 JO_LICENSE = MIT (json.[ch]), GPL-2.0+ (rest)
 JO_LICENSE_FILES = COPYING