docs(changelog): Prepare release 2.3.0 #471

Job	Run time
Add-on test (stable, ddev/ddev-redis-commander, bats tests)	3m 55s
Add-on test (stable, ddev/ddev-mongo)	4m 25s
Add-on test (stable, ddev/ddev-adminer)	4m 57s
Add-on test (stable, ddev/ddev-redis)	5m 59s
Add-on test (stable, ddev/ddev-solr)	6m 43s
Add-on test (stable, ddev/ddev-pdfreactor)	4m 11s
Add-on test (stable, ddev/ddev-memcached)	3m 15s
Add-on test (stable, ddev/ddev-cron)	7m 23s
Add-on test (stable, ddev/ddev-elasticsearch)	6m 56s
Add-on test (HEAD, ddev/ddev-redis-commander, bats tests)	4m 34s
Add-on test (HEAD, ddev/ddev-mongo)	5m 9s
Add-on test (HEAD, ddev/ddev-adminer)	5m 11s
Add-on test (HEAD, ddev/ddev-redis)	6m 42s
Add-on test (HEAD, ddev/ddev-solr)	7m 14s
Add-on test (HEAD, ddev/ddev-pdfreactor)	4m 46s
Add-on test (HEAD, ddev/ddev-memcached)	4m 9s
Add-on test (HEAD, ddev/ddev-cron)	8m 1s
Add-on test (HEAD, ddev/ddev-elasticsearch)	7m 27s
	1h 40m 57s

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