git: openjdk/jdk15u-dev: Added tag jdk-15.0.6+0 for changeset 21153b99

[duke]

Tagged by: Yuri Nesterenko <yan at azul.com>
Date:      2021-09-21 17:21:08 +0000

Added tag jdk-15.0.6+0 for changeset 21153b99
Changeset: 21153b99
Author:    Yuri Nesterenko <yan at openjdk.org>
Date:      2021-09-21 14:10:51 +0000
URL:       https://git.openjdk.java.net/jdk15u-dev/commit/21153b99f79318dd9e0acde049b6c1a35c164b47