RFR: JDK-8320806: Augment test/langtools/tools/javac/versions/Versions.java for JDK 22 language changes

[Joe Darcy]

Straightforward test update for a new language feature.

-------------

Commit messages:
 - JDK-8320806: Augment test/langtools/tools/javac/versions/Versions.java for JDK 22 language changes

Changes: https://git.openjdk.org/jdk/pull/16833/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16833&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8320806
  Stats: 17 lines in 1 file changed: 14 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/16833.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16833/head:pull/16833

PR: https://git.openjdk.org/jdk/pull/16833