Fix typo in @plone/providers release config #15041

Job	Run time
Core Basic - Plone 5 (18.x)	6m 37s
Core Basic (18.x)	6m 33s
Core Blocks (18.x)	7m 58s
Core Blocks (20.x)	7m 39s
Core Basic (20.x)	6m 14s
Core Blocks - Listing (18.x)	4m 37s
Core Blocks - Listing (20.x)	4m 26s
Core Content (18.x)	3m 14s
Core Content (20.x)	3m 19s
Core Control Panels (18.x)	4m 3s
Core Control Panels (20.x)	3m 50s
Coresandbox (18.x)	4m 26s
Core Volto Slate (18.x)	7m 48s
Project Generator (18.x)	7m 7s
Core Volto Slate (20.x)	7m 6s
Project Generator (20.x)	6m 54s
Multilingual (18.x)	3m 12s
Working Copy (18.x)	3m 27s
Seamless Mode (18.x)	6m 26s
Multilingual in Seamless Mode (18.x)	3m 16s
	1h 48m 12s

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