[CI] EsqlClientYamlIT class failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #8701 / 8.15.5_bwc
• elasticsearch-pull-request #75144 / 8.18.3_bwc-snapshots
• elasticsearch-pull-request #74359 / 8.18.3_bwc-snapshots
• elasticsearch-pull-request #74218 / 8.18.3_bwc-snapshots
• elasticsearch-pull-request #74089 / 8.18.3_bwc-snapshots

Reproduction Line:

undefined

Applicable branches:
8.19

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

undefined

Issue Reasons:

• [8.19] 5 failures in class org.elasticsearch.xpack.esql.qa.mixed.EsqlClientYamlIT (0.9% fail rate in 572 executions)
• [8.19] 4 failures in step 8.18.3_bwc-snapshots (3.2% fail rate in 126 executions)
• [8.19] 4 failures in pipeline elasticsearch-pull-request (3.5% fail rate in 113 executions)

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

[elasticsearchmachine]

Pinging @elastic/es-analytical-engine (Team:Analytics)

[dnhatn]

Fixed in #127661