Add change log #15016

Job	Run time
Core Basic (18.x)	10m 37s
Core Basic (20.x)	6m 58s
Core Basic - Plone 5 (18.x)	7m 6s
Core Blocks (18.x)	7m 56s
Core Blocks - Listing (18.x)	5m 16s
Core Content (18.x)	4m 0s
Core Blocks (20.x)	7m 51s
Core Blocks - Listing (20.x)	4m 47s
Core Content (20.x)	3m 45s
Core Control Panels (18.x)	4m 31s
Coresandbox (18.x)	4m 48s
Core Control Panels (20.x)	4m 20s
Core Volto Slate (18.x)	7m 46s
Core Volto Slate (20.x)	7m 38s
Project Generator (18.x)	7m 59s
Multilingual (18.x)	3m 25s
Project Generator (20.x)	7m 27s
Multilingual in Seamless Mode (18.x)	3m 21s
Seamless Mode (18.x)	6m 46s
Working Copy (18.x)	3m 48s
	2h 0m 5s

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