RFR: Updated code owners for JDK 26

[Jesper Wilhelmsson]

Updated code owners for JDK 26

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Commit messages:
 - Updated code owners for JDK 26

Changes: https://git.openjdk.org/guide/pull/165/files
  Webrev: https://webrevs.openjdk.org/?repo=guide&pr=165&range=00
  Stats: 5 lines in 2 files changed: 1 ins; 1 del; 3 mod
  Patch: https://git.openjdk.org/guide/pull/165.diff
  Fetch: git fetch https://git.openjdk.org/guide.git pull/165/head:pull/165

PR: https://git.openjdk.org/guide/pull/165