fix formatting in greptimedb_logs docs

Author: vparfonov

website/cue/reference/components/sinks/generated/greptimedb_logs.cue

@@ -153,8 +153,7 @@ generated: components: sinks: greptimedb_logs: configuration: {
 			"""
 		required: false
 		type: object: {
-			examples: [{},
-			]
+			examples: [{}]
 			options: "*": {
 				description: "Extra header key-value pairs."
 				required:    true