add CHANGES and release notes

7 jobs for 173-option-to-disable-responding-with-cookies-isc-support-12614 in 6 minutes and 15 seconds (queued for 9 seconds)
Status Job ID Name Coverage
  Precheck
passed #17420
linux docker amd64
precheck:debian:sid:amd64

00:00:11

 
  Build
passed #17421
linux docker amd64
build:debian:sid:amd64

00:01:21

passed #17422
linux docker i386
build:debian:sid:i386

00:01:24

 
  Test
passed #17425
linux docker amd64
systemtest:debian:sid:amd64

00:04:38

passed #17426
linux docker i386
systemtest:debian:sid:i386

00:04:35

passed #17423
linux docker amd64
unittest:debian:sid:amd64

00:00:44

passed #17424
linux docker i386
unittest:debian:sid:i386

00:00:46