Fix release notes format

Issue-ID: MULTICLOUD-1254

Signed-off-by: Bin Yang <bin.yang@windriver.com>
Change-Id: Ie9eb21540baef82cb4fa83467095046cfec1cce6
(cherry picked from commit 9fce0d11e0d5b60cc4ef9fa4160b3f6d8d1b6762)
2 files changed