ci: add test for debian 12

Author: consideRatio

.github/workflows/integration-test.yaml

@@ -36,6 +36,9 @@ jobs:
           - name: "Debian 11, Py 3.9"
             distro_image: "debian:11"
             extra_flags: ""
+          - name: "Debian 12, Py 3.11"
+            distro_image: "debian:12"
+            extra_flags: ""
           - name: "Ubuntu 20.04, Py 3.8"
             distro_image: "ubuntu:20.04"
             extra_flags: ""