changelog: update for 10.0.3

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branch : stable
7 jobs for topic/stable/changelog in 5 minutes and 49 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #117179
doc

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passed #117173
flake8

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manual #117174
allowed to fail manual
pytype
passed #117175
tests-py2-cext

00:05:49

passed #117176
tests-py2-pure

00:05:41

passed #117177
tests-py3-cext

00:05:26

passed #117178
tests-py3-pure

00:03:49