[CI] DateDiffTests class failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #11475 / rocky-9_platform-support-unix
• elasticsearch-pull-request #106616 / part-3
• elasticsearch-pull-request #106616 / part-3
• elasticsearch-pull-request #106600 / part-3
• elasticsearch-pull-request #106555 / part-3
• elasticsearch-intake #31705 / part3
• elasticsearch-pull-request #106491 / part-3
• elasticsearch-pull-request #106463 / part-3
• elasticsearch-intake #31678 / part3
• elasticsearch-pull-request #106381 / part-3

Reproduction Line:

./gradlew ":x-pack:plugin:esql:test" --tests "org.elasticsearch.xpack.esql.expression.function.scalar.date.DateDiffTests.testSerializationOfSimple {TestCase=DateDiff(n<TEXT>, null, 2023-12-04T10:15:00Z<MILLIS>, 2024-12-04T10:15:01Z<MILLIS>) == 527040 null in 2}" -Dtests.seed=DDB972F924F891FB -Dtests.locale=mni-IN -Dtests.timezone=Europe/Malta -Druntime.java=25

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

org.elasticsearch.xpack.esql.core.QlIllegalArgumentException: location [@1:1] and length [6] overrun query size [4]

Issue Reasons:

• [main] 72 failures in class org.elasticsearch.xpack.esql.expression.function.scalar.date.DateDiffTests (12.5% fail rate in 574 executions)
• [main] 46 failures in step part-3 (12.6% fail rate in 366 executions)
• [main] 13 failures in step part3 (18.3% fail rate in 71 executions)
• [main] 2 failures in step openjdk21_checkpart3_java-fips-matrix (40.0% fail rate in 5 executions)
• [main] 2 failures in step openjdk21_checkpart3_java-matrix (40.0% fail rate in 5 executions)
• [main] 2 failures in step release-tests (50.0% fail rate in 4 executions)
• [main] 40 failures in pipeline elasticsearch-pull-request (11.3% fail rate in 353 executions)
• [main] 2 failures in pipeline elasticsearch-periodic-platform-support (40.0% fail rate in 5 executions)
• [main] 13 failures in pipeline elasticsearch-intake (18.3% fail rate in 71 executions)
• [main] 3 failures in pipeline elasticsearch-periodic (50.0% fail rate in 6 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)