Update JDK version for 3.2 distributions

[YeonghyeonKO]

Description

• According to https://github.com/opensearch-project/common-utils/pull/848/files, the documentation explaining the java compatibility with OpenSearch needs to be fixed. (source)

### OpenSearch 3.1.0 (Docker)
➜ docker exec -it ef158537b656a39d932de166c9ddb4d504296c1db6ced45aa935161422b5f354 /bin/bash
[opensearch@ef158537b656 ~]$ java --version
openjdk 21.0.7 2025-04-15 LTS
OpenJDK Runtime Environment Temurin-21.0.7+6 (build 21.0.7+6-LTS)
OpenJDK 64-Bit Server VM Temurin-21.0.7+6 (build 21.0.7+6-LTS, mixed mode, sharing)

### OpenSearch 3.2.0 (Docker)
➜ docker exec -it 75f0e5a4f9efe059bcb249aa0d8588f440b9882b3631d5e8668f2fe877360930 /bin/bash
[opensearch@75f0e5a4f9ef ~]$ java --version
openjdk 24.0.2 2025-07-15
OpenJDK Runtime Environment Temurin-24.0.2+12 (build 24.0.2+12)
OpenJDK 64-Bit Server VM Temurin-24.0.2+12 (build 24.0.2+12, mixed mode, sharing)

• [trivial] Even though the documentation for OpenSearch 3.1.0 specifies Java version 21.0.5+11, I'm currently using 21.0.7+6-LTS. Is it really necessary to be so specific about these minor version updates in the compatibility documentation?

Issues Resolved

Closes #10820

• [DOC] Revised Java Compatibility Documentation for OpenSearch 3.2.0 #10820

Version

• OpenSearch >=3.2.0

Checklist

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[YeonghyeonKO]

Hi @peterzhuamazon!
This PR for documentation of Java Compatibility with OpenSearch is in line with opensearch-project/common-utils#848. Could you tech-review it ?

[natebower]

Thanks @YeonghyeonKO! LGTM