jobs/gerrit: build for debian 12: gapk, osmocom-bb

Related: OS#6409
Change-Id: Ib48d90af734e627aa4760af6423481970626d501
diff --git a/jobs/gerrit-verifications.yml b/jobs/gerrit-verifications.yml
index 936c49c..78c25cf 100644
--- a/jobs/gerrit-verifications.yml
+++ b/jobs/gerrit-verifications.yml
@@ -338,7 +338,7 @@
               "$DOCKER_IMG" {timeout_cmd} /build/contrib/jenkins.sh
 
       - osmocom-bb:
-          pipeline_binpkgs: ""
+          pipeline_binpkgs: "debian:12"
 
       - osmo-tetra:
           pipeline_binpkgs: ""
@@ -366,7 +366,7 @@
           pipeline_binpkgs: ""
 
       - gapk:
-          pipeline_binpkgs: ""
+          pipeline_binpkgs: "debian:12"
 
       - osmo-uecups