RFR: 8372937: Abbreviate list of supported releases

[Nizar Benalla]

Abbreviating the list of supported released to be under 80 columns

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

Commit messages:
 - set a hard 80 char limit

Changes: https://git.openjdk.org/jdk/pull/28604/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28604&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8372937
  Stats: 60 lines in 3 files changed: 41 ins; 8 del; 11 mod
  Patch: https://git.openjdk.org/jdk/pull/28604.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28604/head:pull/28604

PR: https://git.openjdk.org/jdk/pull/28604