added changelog for release

5 jobs for releases/2.6 in 48 minutes and 17 seconds (queued for 99 minutes and 16 seconds)
Status Job ID Name Coverage
  Test
passed #23089
duneci
debian:10 gcc:c++17

00:11:04

passed #23091
duneci
debian:9--clang

00:10:14

passed #23090
duneci
debian:9--gcc

00:08:57

passed #23093
duneci
ubuntu:16.04--clang

00:09:49

passed #23092
duneci
ubuntu:16.04--gcc

00:08:12