RFR: 2318: Prefer Thread.sleep(Duration)

[duke]

On Fri, 5 Jul 2024 10:29:32 GMT, Pavel Rappo <prappo at openjdk.org> wrote:

> `Thread.sleep(java.time.Duration)` was introduced in JDK 19, as part of [JDK-8284161], and standardised in JDK 21, as part of [JDK-8304919].
> 
> [JDK-8284161]: https://bugs.openjdk.org/browse/JDK-8284161
> [JDK-8304919]: https://bugs.openjdk.org/browse/JDK-8304919

@pavelrappo 
Your change (at version 31abafce18963016b70b872ff7e7d075619b4739) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/skara/pull/1670#issuecomment-2211281125