Fix serialization failure due to wrong version

[andrross]

Commit d404f33 has incorrect version guards which are manifesting as flaky failures in MixedClusterClientYamlTestSuiteIT.

See #18480 (comment) for more details

Related Issues

Resolves #14294

Check List

• Functionality includes testing.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

❌ Gradle check result for e9f5bff:

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

✅ Gradle check result for e9f5bff: SUCCESS

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 72.67%. Comparing base (87022b7) to head (e9f5bff).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
.../main/java/org/opensearch/cluster/ClusterInfo.java	0.00%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##               main   #18614   +/-   ##
=========================================
  Coverage     72.66%   72.67%           
- Complexity    68231    68255   +24     
=========================================
  Files          5555     5556    +1     
  Lines        313857   313887   +30     
  Branches      45522    45527    +5     
=========================================
+ Hits         228073   228118   +45     
- Misses        67207    67249   +42     
+ Partials      18577    18520   -57     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[sunqijun1]

@andrross I found that this problem has occurred again. I guess it wasn't completely fixed.

[andrross]

@andrross I found that this problem has occurred again. I guess it wasn't completely fixed.

@sunqijun1 Can you provide more details? Every serialization change must be properly versioned with these manual checks so it is possible for these types of issues to continue to happen.

[sunqijun1]

@andrross I found that this problem has occurred again. I guess it wasn't completely fixed.

@sunqijun1 Can you provide more details? Every serialization change must be properly versioned with these manual checks so it is possible for these types of issues to continue to happen.

such like https://build.ci.opensearch.org/job/gradle-check/61443/ ，https://build.ci.opensearch.org/job/gradle-check/61592/，https://github.com/opensearch-project/OpenSearch/pull/18901