RFR: 7904085: Changes needed for jdk25-based makefile build

[Nizar Benalla]

A simple version change, since JDK 25 was released.

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Commit messages:
 - 8368566 changes

Changes: https://git.openjdk.org/jextract/pull/291/files
  Webrev: https://webrevs.openjdk.org/?repo=jextract&pr=291&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7904085
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jextract/pull/291.diff
  Fetch: git fetch https://git.openjdk.org/jextract.git pull/291/head:pull/291

PR: https://git.openjdk.org/jextract/pull/291