docs: Add a note on release content
docs: Add a note on release content

Signed-off-by: Fabian Deutsch <de69c509e52dfe544d526a81279fe21e1252748c@fedoraproject.org>

rmohr/kubevirt,kubevirt/kubevirt,fabiand/kubevirt,admiyo/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,fabiand/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,admiyo/kubevirt,davidvossel/kubevirt,rmohr/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt