test/data: regenerate existing test cases (x86_64)

A few recent changes in image type definitions haven't been reflected in
the test cases yet.  This also acts as a check to make sure that the
changes in composer don't affect the old behaviour.

Causes for (some) changes:
- Kernel modules added to package lists:
  Prior to PR #1175 image types defined the kernel package in their
  package list.  Some only included `kernel-core` and not the `kernel`
  metapackage.  Now images default to having the `kernel` metapackage
  included which also adds `kernel-modules` and `alsa-sof-firmware`.
- New package source for rt kernel.

test/data/manifests/fedora_33-x86_64-openstack-boot.json

@@ -10296,4 +10296,4 @@
     ],
     "timezone": "UTC"
   }
-}
+}