chore(deps): bump golang.org/x/sync from 0.15.0 to 0.16.0 (#6974)

Bumps [golang.org/x/sync](https://github.com/golang/sync) from 0.15.0 to 0.16.0.
- [Commits](https://github.com/golang/sync/compare/v0.15.0...v0.16.0)

---
updated-dependencies:
- dependency-name: golang.org/x/sync
  dependency-version: 0.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -156,7 +156,7 @@ require (
 	github.com/ydb-platform/ydb-go-sdk/v3 v3.112.0
 	go.etcd.io/etcd/client/pkg/v3 v3.6.1
 	go.uber.org/atomic v1.11.0
-	golang.org/x/sync v0.15.0
+	golang.org/x/sync v0.16.0
 	google.golang.org/grpc/security/advancedtls v1.0.0
 )