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.

Keep-alive; the intellij plugin version is now beta8. I think I will come back when they finalize a 2.0.0 plugin release.

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PR Comment: https://git.openjdk.org/jtreg/pull/201#issuecomment-2206914781