feat: introduce new cloud-init service names.

Script logic inspired by: 93442d09cf

Change-Id: I01da9e9ac514a77a4131eae8f9a3ecb28460ef84
Signed-off-by: Tadas Sutkaitis <tadasas@gmail.com>

diskimage_builder/elements/cloud-init/post-install.d/20-enable-cloud-init

@@ -18,5 +18,10 @@ if [[ "${DIB_INIT_SYSTEM}" == "systemd" ]]; then
     systemctl enable cloud-config.service
     systemctl enable cloud-final.service
     systemctl enable cloud-init-local.service
-    systemctl enable cloud-init.service
+    if ! [[ $DIB_RELEASE =~ ^(testing|trixie|unstable) ]]; then
+        systemctl enable cloud-init.service
+    else
+        systemctl enable cloud-init-main.service
+        systemctl enable cloud-init-network.service
+    fi
 fi

releasenotes/notes/cloud-init-service-name-2b56b8c7f1adb78c.yaml

@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Starting from 'cloud-init' version '24.3' service 'cloud-init.service'
+    is splitted in to 'cloud-init-network.service' and 'cloud-init-main.service'.
+    But some distributions are reverted to old service name.