debian: Use testing again instead of unstable for default image

systemd v255 is now in testing so let's use testing again instead
of unstable.

diff --git a/mkosi.conf.d/20-debian/mkosi.conf b/mkosi.conf.d/20-debian/mkosi.conf
index 71f6934e61bd996f625cf403e1b4d3153df9f3fc..5958f1ca8f80c4bf01d7d677d5729f643300d9d7 100644 (file)
--- a/mkosi.conf.d/20-debian/mkosi.conf
+++ b/mkosi.conf.d/20-debian/mkosi.conf
@@ -4,7 +4,6 @@
 Distribution=debian
 
 [Distribution]
-@Release=unstable
 Repositories=non-free-firmware
 
 [Content]