feat(ci)!: Default to trixie-backports kernel

trixie-backports has a newer version than linux-qcom.

Signed-off-by: Loïc Minier <loic.minier@oss.qualcomm.com>

Author: lool

.github/workflows/debos.yml

@@ -17,7 +17,7 @@ on:
         # the package name will be passed to APT which interprets the trailing
         # plus sign in the package name as a request to install the package, so
         # use two plus signs
-        default: linux-image-6.16.7-qcom1++
+        default: linux-image-arm64
 
     outputs:
       artifacts_url: