fix a typo in s3_enrich metrics (#6714)

Signed-off-by: Xun Zhang <xunzh@amazon.com>

Author: Zhangxunmt

data-prepper-plugins/s3-enrich-processor/src/main/java/org/opensearch/dataprepper/plugins/s3_enrich/processor/S3EnrichProcessor.java

@@ -55,7 +55,7 @@ public class S3EnrichProcessor extends AbstractProcessor<Record<Event>, Record<E
     private static final long BYTES_IN_MB = 1024 * 1024;
 
     public static final String NUMBER_OF_RECORDS_ENRICHED_SUCCESS = "numberOfRecordsEnrichedSuccessFromS3";
-    public static final String NUMBER_OF_RECORDS_ENRICHED_FAILED = "numberOfRecordsEnrichedFailerFromS3";
+    public static final String NUMBER_OF_RECORDS_ENRICHED_FAILED = "numberOfRecordsEnrichedFailureFromS3";
 
     private final S3EnrichProcessorConfig s3EnrichProcessorConfig;
     private final ExpressionEvaluator expressionEvaluator;