Bump golang.org/x/sync from 0.8.0 to 0.9.0 #1139

Job	Run time
integration-test-linux / run (ubuntu-latest, 1.22.x)	1m 28s
integration-test-linux / run (ubuntu-latest, 1.21.x)	1m 31s
integration-test-windows / run (windows-latest, 1.22.x)	1m 51s
lint / lint (ubuntu-latest)	1m 14s
integration-test-windows / run (windows-latest, 1.21.x)	2m 0s
lint / lint (windows-latest)	1m 54s
test / test (ubuntu-latest, 1.22.x)	1m 25s
test / test (ubuntu-latest, 1.21.x)	1m 21s
test / test (windows-latest, 1.22.x)	4m 4s
test / test (windows-latest, 1.21.x)	3m 28s
test / finish	6s
build	0s
release	0s
	20m 22s

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