[CI] IngestCommonClientYamlTestSuiteIT class failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-intake #28170 / part1
• elasticsearch-pull-request #90856 / part-1
• elasticsearch-intake #28166 / part1

Reproduction Line:

./gradlew ":modules:ingest-common:yamlRestTest" --tests "org.elasticsearch.ingest.common.IngestCommonClientYamlTestSuiteIT.test {yaml=ingest/360_append_allow_duplicates/allow_duplicates (false) removes duplicates with a present array and copy_from}" -Dtests.seed=E07D0AB8FDF039FC -Dtests.locale=lv-Latn-LV -Dtests.timezone=BET -Druntime.java=24

Applicable branches:
9.1

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.IllegalArgumentException: Unknown feature ingest.append.copy_from: check the respective FeatureSpecification is provided both in module-info.java as well as in META-INF/services and verify the module is loaded during tests.

Issue Reasons:

• [9.1] 2 consecutive failures in class org.elasticsearch.ingest.common.IngestCommonClientYamlTestSuiteIT
• [9.1] 2 consecutive failures in step part1
• [9.1] 2 consecutive failures in pipeline elasticsearch-intake
• [9.1] 3 failures in class org.elasticsearch.ingest.common.IngestCommonClientYamlTestSuiteIT (2.4% fail rate in 125 executions)
• [9.1] 2 failures in step part1 (28.6% fail rate in 7 executions)
• [9.1] 2 failures in pipeline elasticsearch-intake (28.6% fail rate in 7 executions)

Note:
This issue was created using new test triage automation. Please report issues or feedback to es-delivery.

[elasticsearchmachine]

Pinging @elastic/es-data-management (Team:Data Management)

[nielsbauman]

Fixed by #134384