Add release note and change entry for [#1551]

(cherry picked from commit 1befaa5d)
79 jobs for !5321 with 1551-dnssec-signzone-prepublish-zsk-support-v9_16 in 21 minutes and 20 seconds (queued for 12 seconds)
latest detached
Status Job ID Name Coverage
  Precheck
passed autoreconf #1917335
amd64 linux

00:00:18

passed clang-format #1917337
amd64 linux

00:00:15

passed coccinelle #1917338
amd64 linux

00:03:49

passed danger #1917339
amd64 linux

00:00:15

passed misc #1917336
amd64 linux

00:00:14

passed tarball-create #1917340
amd64 linux

00:00:19

 
  Build
passed clang:asan #1917354
amd64 linux

00:03:57

passed clang:buster:amd64 #1917358
amd64 linux

00:01:46

passed clang:freebsd12:amd64 #1917361
amd64 libvirt

00:02:04

passed clang:freebsd13:amd64 #1917362
amd64 libvirt

00:04:02

passed clang:openbsd:amd64 #1917363
amd64 libvirt

00:03:41

passed clang:tsan #1917356
amd64 linux

00:02:08

passed gcc:alpine3.14:amd64 #1917341
amd64 linux

00:01:42

passed gcc:asan #1917353
amd64 linux

00:03:32

passed gcc:bionic:amd64 #1917351
amd64 linux

00:01:43

passed gcc:buster:amd64 #1917345
amd64 linux

00:01:21

passed gcc:buster:amd64cross32 #1917346
amd64 linux

00:01:45

passed gcc:centos7:amd64 #1917342
amd64 linux

00:01:22

passed gcc:centos8:amd64 #1917343
amd64 linux

00:01:33

passed gcc:focal:amd64 #1917352
amd64 linux

00:01:33

passed gcc:mutexatomics #1917357
amd64 linux

00:01:36

passed gcc:out-of-tree #1917348
amd64 linux

00:01:23

passed gcc:sid:amd64 #1917347
amd64 linux

00:02:01

passed gcc:softhsm2.4 #1917359
amd64 linux

00:01:34

passed gcc:softhsm2.6 #1917360
amd64 linux

00:01:31

passed gcc:stretch:amd64 #1917344
amd64 linux

00:01:44

passed gcc:tarball #1917349
amd64 linux

00:02:05

passed gcc:tsan #1917355
amd64 linux

00:01:58

passed gcc:tumbleweed:amd64 #1917350
amd64 linux

00:01:32

passed msvc:windows:amd64 #1917365
amd64 windows

00:00:56

passed nolibtool:sid:amd64 #1917364
amd64 linux

00:01:54

 
  Unit
passed unit:clang:asan #1917377
amd64 linux

00:01:09

passed unit:clang:buster:amd64 #1917381
amd64 linux

00:00:38

passed unit:clang:freebsd12:amd64 #1917384
amd64 libvirt

00:00:54

passed unit:clang:freebsd13:amd64 #1917385
amd64 libvirt

00:02:49

passed unit:clang:tsan #1917379
amd64 linux

00:01:32

passed unit:gcc:alpine3.14:amd64 #1917366
amd64 linux

00:00:49

passed unit:gcc:asan #1917376
amd64 linux

00:01:19

passed unit:gcc:bionic:amd64 #1917374
amd64 linux

00:00:34

passed unit:gcc:buster:amd64 #1917370
amd64 linux

00:00:53

passed unit:gcc:buster:amd64cross32 #1917371
amd64 linux

00:00:42

passed unit:gcc:centos7:amd64 #1917367
amd64 linux

00:00:39

passed unit:gcc:centos8:amd64 #1917368
amd64 linux

00:00:38

passed unit:gcc:focal:amd64 #1917375
amd64 linux

00:00:36

passed unit:gcc:mutexatomics #1917380
amd64 linux

00:00:33

passed unit:gcc:sid:amd64 #1917372
amd64 linux

00:00:36

passed unit:gcc:softhsm2.4 #1917382
amd64 linux

00:00:35

passed unit:gcc:softhsm2.6 #1917383
amd64 linux

00:00:39

passed unit:gcc:stretch:amd64 #1917369
amd64 linux

00:00:35

passed unit:gcc:tsan #1917378
amd64 linux

00:01:57

passed unit:gcc:tumbleweed:amd64 #1917373
amd64 linux

00:00:33

passed unit:nolibtool:sid:amd64 #1917386
amd64 linux

00:00:48

 
  System
passed system:clang:asan #1917398
amd64 linux

00:13:14

passed system:clang:buster:amd64 #1917402
amd64 linux

00:10:18

passed system:clang:freebsd12:amd64 #1917405
amd64 libvirt

00:10:43

passed system:clang:freebsd13:amd64 #1917406
amd64 libvirt

00:12:37

passed system:clang:tsan #1917400
amd64 linux

00:14:59

passed system:gcc:alpine3.14:amd64 #1917387
amd64 linux

00:12:28

passed system:gcc:asan #1917397
amd64 linux

00:13:55

passed system:gcc:bionic:amd64 #1917395
amd64 linux

00:10:03

passed system:gcc:buster:amd64 #1917391
amd64 linux

00:12:53

passed system:gcc:buster:amd64cross32 #1917392
amd64 linux

00:10:47

passed system:gcc:centos7:amd64 #1917388
amd64 linux

00:10:23

passed system:gcc:centos8:amd64 #1917389
amd64 linux

00:10:20

passed system:gcc:focal:amd64 #1917396
amd64 linux

00:10:23

passed system:gcc:mutexatomics #1917401
amd64 linux

00:10:24

passed system:gcc:sid:amd64 #1917393
amd64 linux

00:09:54

passed system:gcc:softhsm2.4 #1917403
amd64 linux

00:10:24

passed system:gcc:softhsm2.6 #1917404
amd64 linux

00:11:17

passed system:gcc:stretch:amd64 #1917390
amd64 linux

00:10:08

passed system:gcc:tsan #1917399
amd64 linux

00:15:27

passed system:gcc:tumbleweed:amd64 #1917394
amd64 linux

00:10:20

passed system:nolibtool:sid:amd64 #1917407
amd64 linux

00:12:07

 
  Docs
passed docs #1917408
amd64 linux

00:02:20

 
  Postcheck
passed cppcheck #1917412
amd64 linux

00:00:21

passed flake8 #1917409
amd64 linux

00:00:20

passed gcov #1917413
amd64 linux

00:00:33

76.0%
passed pylint #1917410
amd64 linux

00:00:24

passed scan-build #1917411
amd64 linux

00:10:04