fix pipeline indenting

Author: gpop63

packages/aws_bedrock_agentcore/data_stream/runtime_application_logs/elasticsearch/ingest_pipeline/default.yml

@@ -155,7 +155,7 @@ processors:
       ignore_failure: true
 
 on_failure:
-   - set:
+  - set:
       field: error.message
       value: 'Processor {{{_ingest.on_failure_processor_type}}} with tag {{{_ingest.on_failure_processor_tag}}} in pipeline {{{_ingest.pipeline}}} failed with message: {{{_ingest.on_failure_message}}}'
   - set: