Add fedora. Other udpdates from upstream in 9 months.

include/build.ipp.yml

@@ -37,6 +37,7 @@ pipelines:
       gpgkeys:
       - mpp-eval: centos_gpg_key
       - mpp-eval: redhat_gpg_key
+      - mpp-eval: distro_gpg_keys
       exclude:
         docs: true
   - type: org.osbuild.selinux

include/defaults.ipp.yml

@@ -53,6 +53,9 @@ mpp-vars:
   default_dracut_install: []
   default_ostree_repo_url: http://10.0.2.100/
   default_ostree_remote_name: auto-sig
+  default_distro_gpg_keys: ""
+  distro_gpg_keys:
+    mpp-eval: locals().get('distro_gpg_keys', default_distro_gpg_keys)
   target:
     mpp-eval: locals().get('target', default_target)
   image_type: