[jfx22u] Integrated: 8324326: Update ICU4C to 74.2

[Hima Bindu Meda]

Clean Backport

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Commit messages:
 - Backport ad3d44e27f8ffb90aad81497f0bba2b00f7a49aa

Changes: https://git.openjdk.org/jfx22u/pull/20/files
  Webrev: https://webrevs.openjdk.org/?repo=jfx22u&pr=20&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8324326
  Stats: 10765 lines in 123 files changed: 3601 ins; 1545 del; 5619 mod
  Patch: https://git.openjdk.org/jfx22u/pull/20.diff
  Fetch: git fetch https://git.openjdk.org/jfx22u.git pull/20/head:pull/20

PR: https://git.openjdk.org/jfx22u/pull/20