d/NEWS: add news about cloud-specific packages

debian/NEWS

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+cloud-init (24.4~3+really24.3.1-0ubuntu5) oracular; urgency=medium
+
+  Cloud-init added cloud-specific metapackages to better express
+  cloud-specific dependencies and reduce image size.
+
+  The original cloud-init is still available as a metapackage and a smaller
+  version (called cloud-init-base) has been created to include just the
+  essential dependencies.
+
+  A few specific metapackages have been created, while more cloud-specific
+  ones are under development. The current set include:
+
+  * cloud-init-base - package that contains the cloud-init code along with
+    the minimal set of dependencies
+  * cloud-init - is a metapackage that retains every previous dependency
+  * cloud-init-cloud-sigma and cloud-init-smart-os - metapackages with an
+    additional dependency on python3-serial. They can be installed if the
+    target platform is CloudSigma or SmartOS
+
+  If you are an image builder:
+
+  * Install ``cloud-init``, containing all dependencies, if the target
+    platform is unknown
+  * Install ``cloud-init-base`` if the target platform(s) are known and do
+    not require specific dependencies
+  * Install a cloud-specific metapackage if the target platform has some
+    specific dependency requirements.
+
+ -- Alberto Contreras <[email protected]>  Tue, 17 Sep 2024 11:02:35 +0200