git: openjdk/jdk21: 8309853: StructuredTaskScope.join description improvements

[Alan Bateman]

Changeset: e86d765b
Author:    Alan Bateman <alanb at openjdk.org>
Date:      2023-06-23 04:43:52 +0000
URL:       https://git.openjdk.org/jdk21/commit/e86d765b229d6cc2270dcc90b40252851e50c959

8309853: StructuredTaskScope.join description improvements

Reviewed-by: darcy
Backport-of: 3661cdee1b20ab2868025637871d22bb30add6bd

! src/java.base/share/classes/java/util/concurrent/StructuredTaskScope.java