Automatically cc release manager in release cut issue template
Automatically cc release manager in release cut issue template

We now automatically cc the release managers which should be a necessary
step. Beside that, we correctly set the priority and kind of the issue.

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

kubernetes/sig-release