fix system-pkgs for debian-12 (#227)

linux/map.jinja

@@ -113,6 +113,9 @@
     'bullseye': {
         'pkgs': ['python3-apt', 'apt-transport-https', 'libmnl0'],
     },
+    'bookworm': {
+        'pkgs': ['python3-apt', 'apt-transport-https', 'libmnl0'],
+    },
     'sid': {
         'pkgs': ['python3-apt', 'apt-transport-https', 'libmnl0'],
     },