docs(changelog) mention headers names validation
docs(changelog) mention headers names validation

Signed-off-by: Thibault Charbonnier <3c2e9133e272cb489e2fea0c4328cf56b08e4226@me.com>

salazar/kong,shiprabehera/kong,Kong/kong,jebenexer/kong,li-wl/kong,ccyphers/kong,Kong/kong,Mashape/kong,akh00/kong,Kong/kong,icyxp/kong