[jfx19] RFR: 8300640: Update JavaFX release to 19.0.2.1 in jfx/jfx19 branch

[Johan Vos]

set release version to 19.0.2.1
Fix for JDK-8300640

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Commit messages:
 - Bump JavaFX patch version to 19.0.2.1 for jfx19

Changes: https://git.openjdk.org/jfx/pull/1001/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1001&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8300640
  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jfx/pull/1001.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/1001/head:pull/1001

PR: https://git.openjdk.org/jfx/pull/1001