Bump golang.org/x/sync from 0.5.0 to 0.8.0 #4482

Job	Run time
Validate GitHub Action Workflows	2m 14s
Pre-commit checks	10m 13s
Validate GitHub Action Workflows	6s
Lint Helm Charts	22s
Get tool-versions	7s
Linting-root	2m 24s
Linting-gotestloghelper	27s
Linting-k8s-test-runner	49s
Check for Vulnerabilities	1m 20s
Linting-testlistgenerator	27s
Linting-ecrimagefetcher	28s
Linting-ghlatestreleasechecker	30s
Linting-asciitable	37s
Linting-workflowresultparser	32s
SonarQube Analysis	12s
	20m 48s

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