Update from bullseye to bookworm.

states/debian/init.sls

@@ -1,8 +1,8 @@
-bullseye_backports:
+bookworm_backports:
   pkgrepo.managed:
-    - name: deb http://deb.debian.org/debian bullseye-backports main
+    - name: deb http://deb.debian.org/debian bookworm-backports main
-    - dist: bullseye-backports
+    - dist: bookworm-backports
-    - file: /etc/apt/sources.list.d/bullseye-backports.list
+    - file: /etc/apt/sources.list.d/bookworm-backports.list
 
 deploy_sshd_config:
   file.managed:

states/email/exim4.sls

@@ -1,9 +1,6 @@
-# Stock exim4 gives 'unknown condition "inbound_srs".
-# the backports version to start.
 exim4:
   pkg.installed:
     - name: exim4-daemon-heavy
-    - fromrepo: bullseye-backports
 
 exim4_conf:
   file.recurse:

states/email/rspamd.sls

@@ -1,16 +1,16 @@
-# Stock bullseye rspamd doesn't start. bullseye-backports doesn't
+# Stock bullseye rspamd didn't start. bullseye-backports didn't
 # work with Exim.
 rspamd_repo:
   pkgrepo.managed:
-    - name: deb [arch=arm64] http://rspamd.com/apt-stable/ bullseye main
+    - name: deb [arch=arm64] http://rspamd.com/apt-stable/ bookworm main
-    - dist: bullseye
+    - dist: bookworm
     - key_url: https://rspamd.com/apt-stable/gpg.key
     - file: /etc/apt/sources.list.d/rspamd.list
 
 rspamd:
   pkg.installed:
     - name: rspamd
-    - fromrepo: bullseye
+    - fromrepo: bookworm
 
 redis_server:
   pkg.installed: