deps: bump golang.org/x/sync from 0.8.0 to 0.9.0#3130

dependabot[bot] wants to merge 1 commit intomasterAzure/azure-container-networking:masterfrom

7cf1dependabot/go_modules/golang.org/x/sync-0.9.0Azure/azure-container-networking:7cf1dependabot/go_modules/golang.org/x/sync-0.9.0Copy head branch name to clipboard