Add changelog. #19895

Job	Run time
Core Basic (20.x)	6m 5s
Core Basic (22.x)	6m 23s
Core Control Panels (20.x)	4m 8s
Core Control Panels (22.x)	3m 50s
Core Basic - Plone 5 (22.x)	6m 19s
Core Blocks (20.x)	7m 48s
Core Blocks (22.x)	8m 2s
Core Blocks - Listing (20.x)	4m 22s
Core Blocks - Listing (22.x)	4m 18s
Core Content (20.x)	2m 58s
Coresandbox (22.x)	5m 33s
Core Content (22.x)	2m 48s
Core Volto Slate (20.x)	6m 54s
Deployment Mode (22.x)	6m 40s
Core Volto Slate (22.x)	7m 2s
Project Generator (20.x)	6m 23s
Project Generator (22.x)	6m 12s
Multilingual (22.x)	3m 19s
Multilingual in Deployment Mode (22.x)	2m 59s
Working Copy (22.x)	2m 46s
	1h 44m 49s

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