Reverts min version req from gradle breaking change workflow to unblock downstream plugin CI

[DarshitChanpura]

#18919 lead to failures in downstream security plugin:

* Where:
Build file '/home/runner/work/security/security/build.gradle' line: 81
* What went wrong:
A problem occurred evaluating root project 'opensearch-security'.
> Failed to apply plugin class 'org.opensearch.gradle.info.GlobalBuildInfoPlugin'.
   > Gradle 8.14.3+ is required

This PR reverts the min version requirement from gradle in breaking change detection action.

Other option is to upgrade downstream plugins, but that requires each plugin to update. This PR immediately unblocks change going in 3.2.0 without any action required from plugin.

#18919 (comment)

Check List

• Functionality includes testing.
• API changes companion pull request created, if applicable.
• Public documentation issue/PR created, if applicable.

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[reta]

This is a fix #18933

[DarshitChanpura]

closing in lieu of 18933