[CI] AddIndexBlockRollingUpgradeIT class failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-intake #24201 / 9.0.3_bwc-snapshots
• elasticsearch-pull-request #76195 / 8.19.0_bwc-snapshots
• elasticsearch-pull-request #76137 / 8.19.0_bwc-snapshots
• elasticsearch-pull-request #75855 / 8.19.0_bwc-snapshots

Reproduction Line:

undefined

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

undefined

Issue Reasons:

• [main] 4 failures in class org.elasticsearch.upgrades.AddIndexBlockRollingUpgradeIT (0.5% fail rate in 772 executions)
• [main] 3 failures in step 8.19.0_bwc-snapshots (4.5% fail rate in 66 executions)
• [main] 3 failures in pipeline elasticsearch-pull-request (1.9% fail rate in 161 executions)

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

[elasticsearchmachine]

Pinging @elastic/es-distributed-indexing (Team:Distributed Indexing)

[lkts]

I looked at AddIndexBlockRollingUpgradeIT in a another issue and it's pretty healthy.