Add CHANGES entry

5219.	[bug]		Negative trust anchors did not work with "forward only;"
			to validating resolvers. [GL #997]

(cherry picked from commit 5be7c6f4)
39 jobs for !1922 with 997-make-ntas-work-with-validating-forwarders-v9_14 in 13 minutes and 24 seconds (queued for 5 seconds)
merge request