~euantorano/system.text.json-object-serialization

ref: 54b3f0442ad7be6c04f0ac94a32f3415cf8b5d1d system.text.json-object-serialization/.builds/debian-buster.yml -rw-r--r-- 290 bytes
Fix URL to status image

Signed-off-by: Euan Torano <euan@torano.co.uk>