Add v23.12

.ci/generate_page.sh

@@ -3,6 +3,7 @@
 export BRANCHES="
 	master
 	v23.06
+	v23.12
 	"
 
 mkdir -p public

.gitlab-ci.yml

@@ -58,6 +58,18 @@ upstream-compat-v23.06:
       - "*.check-passed"
     expire_in: 1 week
 
+upstream-compat-v23.12:
+  stage: check
+  <<: *only-default
+  allow_failure: true
+  script:
+  - ./test_upstream_compat_setup.sh "v23.12"
+  artifacts:
+    when: always
+    paths:
+      - "*.check-passed"
+    expire_in: 1 week
+
 pages:
   stage: badge
   <<: *only-default