RFR: JDK-8319413: Start of release updates for JDK 23

[David Holmes]

On Fri, 3 Nov 2023 23:42:03 GMT, Joe Darcy <darcy at openjdk.org> wrote:

> Time to start making preparations for JDK 23.

Hotspot change is trivially fine, but too insignificant to hit the Approve button.

Thanks

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PR Review: https://git.openjdk.org/jdk/pull/16505#pullrequestreview-1752152672