RFR: 7903744: Update various versions used by jtreg's IDEA plugin

[Chen Liang]

On Wed, 5 Jun 2024 03:26:08 GMT, Chen Liang <liach at openjdk.org> wrote:

> Now that ant is no longer bundled with IDEA, it has to be defined in a different way. And intellij IDEA changed their gradle plugin for IDE plugins so I did a migration to their new gradle plugin, which requires bumping Gradle.

I have bumped the minimum required IDEA version to 2024.2.0.2 due to latest security fixes. This also comes with intellij's official released platform plugin, Gradle 8.10 with Java 23 support, and min Java version of 21.

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PR Comment: https://git.openjdk.org/jtreg/pull/201#issuecomment-2307410822