camel-opensearch - Upgrade to OpenSearch 2.9.0

[sekikn]

Description

This PR upgrades OpenSearch to v2.9.0.

Target

• I checked that the commit is targeting the correct branch (note that Camel 3 uses camel-3.x, whereas Camel 4 uses the main branch)

Tracking

• If this is a large change, bug fix, or code improvement, I checked there is a JIRA issue filed for the change (usually before you start working on it).

No corresponding JIRA issue since it's just a minor dependency upgrade.

Apache Camel coding standards and style

• I checked that each commit in the pull request has a meaningful subject line and body.

• I have run mvn clean install -DskipTests locally and I have committed all auto-generated changes

[github-actions]

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⚠️ Please note that the changes on this PR may be tested automatically if they change components.

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[orpiske]

/component-test camel-opensearch

Result ✅ The tests passed successfully

[github-actions]

🤖 The Apache Camel test robot will run the tests for you 👍