Backport change to update gradle to 9.7.0 The change to update boot jdk in mainline [fix](https://github.com/openjdk/jfx/commit/3076ab715de955c7ccea8619bb73bb87a444b16b) is excluded, in this backport
--------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - revert boot jdk update - 8390498: Update boot JDK to 26.0.2 Changes: https://git.openjdk.org/jfx27u/pull/27/files Webrev: https://webrevs.openjdk.org/?repo=jfx27u&pr=27&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8390498 Stats: 65 lines in 6 files changed: 19 ins; 13 del; 33 mod Patch: https://git.openjdk.org/jfx27u/pull/27.diff Fetch: git fetch https://git.openjdk.org/jfx27u.git pull/27/head:pull/27 PR: https://git.openjdk.org/jfx27u/pull/27
