[CI] Component and index template composition fails

[dnhatn]

This suite failed twice today with unexpected warnings:

• https://gradle-enterprise.elastic.co/s/scuh7v42y5tmw
• https://gradle-enterprise.elastic.co/s/q3dqfp6meyy64

org.elasticsearch.xpack.security.CoreWithSecurityClientYamlTestSuiteIT > test {yaml=indices.put_index_template/15_composition/Index template priority} FAILED
    java.lang.AssertionError: Failure at [indices.put_index_template/15_composition:91]: got unexpected warning header [
    	299 Elasticsearch-7.8.0-SNAPSHOT-b2cd858f29d068e31aa51f5b6dc05616776882e0 "index template [my-template] has index patterns [foo, bar-*] matching patterns from existing older templates [global] with patterns (global => [*]); this template [my-template] will take precedence during new index creation"
    ]

[elasticmachine]

Pinging @elastic/es-core-features (:Core/Features/Indices APIs)