Add dedicated release notes section for 'action required' notes
Add dedicated release notes section for 'action required' notes

To be more close to the final release notes template, we should show the
notes with action required in a dedicated section.

Signed-off-by: Sascha Grunert <70ab469ddb2ac3e35f32ed7c2fd1cca514b2e879@suse.com>

kubernetes/release,kubernetes/release