[jdk26] RFR: 8373427: StructuredTaskScope::join not clear if called with interrupted status set

[Alan Bateman]

Clean backport of docs-only change. The CSR was approved for 26, 27.

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

Commit messages:
 - Backport 6af27420e3b1980bc093776e3db76072123f7487

Changes: https://git.openjdk.org/jdk/pull/29085/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=29085&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8373427
  Stats: 9 lines in 1 file changed: 3 ins; 1 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/29085.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29085/head:pull/29085

PR: https://git.openjdk.org/jdk/pull/29085