RFR: 8347596: Update HSS/LMS public key encoding

[Weijun Wang]

Update the encoding of HSS/LMS public key to be consistent with https://www.rfc-editor.org/rfc/rfc9708.html#name-changes-since-rfc-8708 and https://datatracker.ietf.org/doc/html/draft-ietf-lamps-x509-shbs-13#name-hss-public-keys.

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Commit messages:
 - the fix

Changes: https://git.openjdk.org/jdk/pull/23083/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23083&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347596
  Stats: 42 lines in 2 files changed: 20 ins; 10 del; 12 mod
  Patch: https://git.openjdk.org/jdk/pull/23083.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23083/head:pull/23083

PR: https://git.openjdk.org/jdk/pull/23083