Integrated: Update gradle to version 8.11.1 and fix GitHub actions

[Jorn Vernee]

On Tue, 17 Dec 2024 13:35:13 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

> Currently the github actions are failing because we depend on versions of the JDK (17 and 22), that are no longer available through the oracle/setup-java github action.
> 
> There are 2 barriers to upgrading these JDK version to ones that are supported:
> 1. The current version of Gradle we are using doesn't run on newer Java versions
> 2. Due to our use of `--enable-preview` and `--release 22` to compile, we are locked to JDK 22.
> 
> This PR updates Gradle to the latest version, which supports running on Java 23. It also drops the `--enable-preview` flag from compilation, which is not actually needed, allowing us to compile using JDK 23 as well. Both these changes then allow us to use JDK 23 to run Gradle, and as a toolchain JDK, in the GitHub actions. Since JDK 23 is available through oracle/setup-java, GitHub actions will work again.

This pull request has now been integrated.

Changeset: 360bdc9c
Author:    Jorn Vernee <jvernee at openjdk.org>
URL:       https://git.openjdk.org/jextract/commit/360bdc9cec421ebd7e2830a84cd5f6f4e22358c3
Stats:     77 lines in 7 files changed: 37 ins; 4 del; 36 mod

Update gradle to version 8.11.1 and fix GitHub actions

Reviewed-by: mcimadamore

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PR: https://git.openjdk.org/jextract/pull/264