Create releasenotes page for tempest 45.0.0

Depends-On: https://review.opendev.org/c/openstack/releases/+/959919

Change-Id: I582d1fbd99053f857f04e4d9b3dce9a9e84a4f1b
Signed-off-by: Ghanshyam Maan <gmaan@ghanshyammann.com>
2 files changed