RFR: Updated code owners for JDK 25

[Jesper Wilhelmsson]

Fixed missing "src" and added new directories for JDK 25.

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Commit messages:
 - Updated code owners for JDK 25

Changes: https://git.openjdk.org/guide/pull/152/files
  Webrev: https://webrevs.openjdk.org/?repo=guide&pr=152&range=00
  Stats: 36 lines in 1 file changed: 7 ins; 1 del; 28 mod
  Patch: https://git.openjdk.org/guide/pull/152.diff
  Fetch: git fetch https://git.openjdk.org/guide.git pull/152/head:pull/152

PR: https://git.openjdk.org/guide/pull/152