[jdk25u] RFR: 8336695: Update Commons BCEL to Version 6.10.0

[Kieran Farrell]

Clean backport

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Commit messages:
 - bp

Changes: https://git.openjdk.org/jdk25u/pull/307/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u&pr=307&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8336695
  Stats: 2579 lines in 122 files changed: 1451 ins; 118 del; 1010 mod
  Patch: https://git.openjdk.org/jdk25u/pull/307.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u.git pull/307/head:pull/307

PR: https://git.openjdk.org/jdk25u/pull/307