* 10.5-a.3 changelogs

* 10.5-a.3 readme.txt

* Fix typo

* Update projects/plugins/jetpack/CHANGELOG.md

Co-authored-by: Jeremy Herve <jeremy@jeremy.hu>

* Update projects/plugins/jetpack/CHANGELOG.md

Co-authored-by: Jeremy Herve <jeremy@jeremy.hu>

* Cleanup JP changelog entries

* Update with master branch

* Missed a change from the changelog

Co-authored-by: Jeremy Herve <jeremy@jeremy.hu>

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/1579105171