add bookworm support

defaults/main.yml

 default_repos:
   debian:
-    bullseye:
+    bookworm: &debian_default_repos
       debian:
         url: "deb https://deb.debian.org/{{ ansible_distribution|lower }} {{ ansible_distribution_release|lower }} main contrib non-free"
       update:
@@ -9,6 +9,7 @@ default_repos:
         url: "deb https://security.debian.org/debian-security {{ ansible_distribution_release|lower }}-security main contrib non-free"
       backports:
         url: "deb https://deb.debian.org/{{ ansible_distribution|lower }} {{ ansible_distribution_release|lower }}-backports main"
+    bullseye: *debian_default_repos
     buster:
       debian:
         url: "deb http://deb.debian.org/debian {{ ansible_distribution_release|lower }} main contrib non-free"