fix bullseye packaging

.gitlab-ci.yml

@@ -14,6 +14,14 @@ variables:
 autoupdate:
   extends: .autoupdate:github:release-tags
 
+# we have to package the bookworm version for bullseye because of too new (buildtime) dependencies
+package:apt:bullseye:
+  extends: .package:apt
+  dependencies:
+  - build:binary:bookworm
+  needs:
+  - build:binary:bookworm
+
 .build:binary:
   extends: .build
   script: