[jfx20u] RFR: 8312097: Create release notes for JavaFX 20.0.2

[Kevin Rushforth]

Release notes for JavaFX 20.0.2.

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Commit messages:
 - Add CPU bug
 - 8312097: Create release notes for JavaFX 20.0.2

Changes: https://git.openjdk.org/jfx20u/pull/16/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx20u&pr=16&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8312097
  Stats: 20 lines in 1 file changed: 20 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jfx20u/pull/16.diff
  Fetch: git fetch https://git.openjdk.org/jfx20u.git pull/16/head:pull/16

PR: https://git.openjdk.org/jfx20u/pull/16