Bump the changelog

7 jobs for 0.4.0 in 4 minutes and 48 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Linting
passed #74294
bandit

00:01:09

passed #74297
mypy

00:00:31

passed #74296
pyflakes

00:00:50

passed #74295
pylint

00:00:38

 
  Test
passed #74300
whitewhale
tests:archlinux

00:02:05

passed #74298
tests:debian

00:02:39

100.0%
passed #74299
whitewhale
tests:fedora

00:03:38