RFR: 8404: Update to Eclipse 2025-06

[Virag Purnam]

Eclipse platform updated to 2025-06
Jetty version to 12.0.21 (Eclipse uses 12.0.21)
ASM version to 9.8 (Eclipse uses 9.8)

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Commit messages:
 - 8404: Update to Eclipse 2025-06
 - CherryPick JMC-8349
 - CherryPick
 - 8349: JMC Copyright year and some http links require update

Changes: https://git.openjdk.org/jmc/pull/656/files
  Webrev: https://webrevs.openjdk.org/?repo=jmc&pr=656&range=00
  Issue: https://bugs.openjdk.org/browse/JMC-8404
  Stats: 8478 lines in 3513 files changed: 219 ins; 116 del; 8143 mod
  Patch: https://git.openjdk.org/jmc/pull/656.diff
  Fetch: git fetch https://git.openjdk.org/jmc.git pull/656/head:pull/656

PR: https://git.openjdk.org/jmc/pull/656